CVE-2022-20792

HIGHNVD 7.87.8
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-08-11. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3
Trending — 4 sources updated this week

Also known asEUVD-2022-26042 (ENISA EUVD) · GHSA-c59m-xfxc-m38p (GitHub Security Advisories)Source: ENISA EUVD

7.8EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 7.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A vulnerability in the regex module used by the signature database load module of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an authenticated, local attacker to crash ClamAV at database load time, and possibly gain code execution. The vulnerability is due to improper bounds checking that may result in a multi-byte heap buffer overwflow write. An attacker could exploit this vulnerability by placing a crafted CDB ClamAV signature database file in the ClamAV database directory. An exploit could allow the attacker to run code as the clamav user.

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
35
EG Risk 35/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity78% × 45%
Impact severity (EG Severity): CVSS 7.8 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation0.6% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.6%
EPSS %ILE
47th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (7.8): severity, escalated by confirmed exploitation. This CVE's 7.8 is its impact severity (EG Severity), not escalated.

EG Severity
7.8 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
0.6% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-28). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at low or medium mission impact; Track* at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

August 10, 2022

Last Modified

November 21, 2024

Advisory Details (2)

Auto-updated Oct 28, 2026
Patch available.
Web page

ClamAV: Multiple Vulnerabilities (GLSA 202310-01) — Gentoo security

https://security.gentoo.org/glsa/202310-01
Web page

ClamAV® blog: ClamAV 0.105.0, 0.104.3, 0.103.6 released

https://blog.clamav.net/2022/05/clamav-01050-01043-01036-released.html

Patch Availability(2)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuclamdscan (0.103.6+dfsg-0ubuntu0.22.04.1) @ jammy2026-10-28ubuntu
ubuntuclamdscan (0.103.6+dfsg-0ubuntu0.16.04.1+esm1) @ xenial2026-10-28ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(7 across 7 ecosystems)
Alpine:v3.12(1)
PackageVulnerable rangeFix by version rangeDependents
clamav—
  • 0.104.0 up to 0.103.6-r0: fixed in 0.103.6-r0
—
Alpine:v3.13(1)
PackageVulnerable rangeFix by version rangeDependents
clamav—
  • 0.104.0 up to 0.103.6-r0: fixed in 0.103.6-r0
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
clamav0.103.2+dfsg-2 ... 0.103.5+dfsg-1 (7 versions)
  • every version up to 0.103.6+dfsg-0+deb11u1: fixed in 0.103.6+dfsg-0+deb11u1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
clamav—
  • every version up to 0.103.6+dfsg-1: fixed in 0.103.6+dfsg-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
clamav—
  • every version up to 0.103.6+dfsg-1: fixed in 0.103.6+dfsg-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
clamav—
  • every version up to 0.103.6+dfsg-1: fixed in 0.103.6+dfsg-1
—
Debian:9(1)
PackageVulnerable rangeFix by version rangeDependents
clamav0.100.0+dfsg-0+deb9u1 ... 0.99.4+dfsg-1+deb9u1 (53 versions)
  • every version up to 0.103.6+dfsg-0+deb9u1: fixed in 0.103.6+dfsg-0+deb9u1
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 10× in last 7d / 41× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 97 of 213 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 3 repeat rows among the latest 100 are merged into the row they repeat. The 116 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-02 16:38 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  2. 2026-11-01 16:30 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  3. 2026-10-31 16:29 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  4. 2026-10-30 16:30 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  5. 2026-10-29 16:29 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  6. 2026-10-28 22:53 UTCEG score recompute
  7. 2026-10-28 22:53 UTCVendor advisory
  8. 2026-10-28 22:53 UTCGHSA enrichmentGHSA-c59m-xfxc-m38p · GitHub severity HIGH · GitHub CVSS 7.8
  9. 2026-10-28 16:28 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  10. 2026-10-27 16:28 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  11. 2026-10-26 16:28 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  12. 2026-10-25 18:15 UTCEG score recompute
  13. 2026-10-25 16:29 UTCEPSS rescoreEPSS 0.6% · 47th percentile
  14. 2026-10-24 16:29 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  15. 2026-10-23 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  16. 2026-10-22 16:29 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  17. 2026-10-21 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  18. 2026-10-21 08:09 UTCEG score recompute
  19. 2026-10-21 08:09 UTCVendor advisory
  20. 2026-10-21 08:09 UTCGHSA enrichmentGHSA-c59m-xfxc-m38p · GitHub severity HIGH · GitHub CVSS 7.8
  21. 2026-10-20 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  22. 2026-10-19 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  23. 2026-10-18 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  24. 2026-10-18 08:45 UTCEG score recompute
  25. 2026-10-17 16:29 UTCEPSS rescoreEPSS 0.6% · 46th percentile
Show 72 more
  1. 2026-10-16 16:34 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  2. 2026-10-16 06:24 UTCOSV refresh
  3. 2026-10-15 16:28 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  4. 2026-10-14 16:29 UTCEPSS rescoreEPSS 0.6% · 46th percentile
  5. 2026-10-13 16:28 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  6. 2026-10-12 19:02 UTCEG score recompute
  7. 2026-10-12 16:30 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  8. 2026-10-11 23:28 UTCEG score recompute
  9. 2026-10-11 13:44 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  10. 2026-10-10 19:56 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  11. 2026-10-09 20:04 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  12. 2026-10-08 16:40 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  13. 2026-10-07 23:45 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  14. 2026-10-06 15:14 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  15. 2026-10-05 17:40 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  16. 2026-10-04 23:19 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  17. 2026-10-03 14:22 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  18. 2026-10-02 16:23 UTCEPSS rescoreEPSS 0.6% · 45th percentile
  19. 2026-09-30 15:48 UTCEG score recompute
  20. 2026-09-30 15:00 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  21. 2026-09-29 15:15 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  22. 2026-09-28 13:47 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  23. 2026-09-26 15:54 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  24. 2026-09-26 00:21 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  25. 2026-09-24 14:46 UTCOSV refresh
  26. 2026-09-24 14:00 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  27. 2026-09-23 13:45 UTCEPSS rescoreEPSS 0.5% · 44th percentile
  28. 2026-09-22 14:44 UTCEPSS rescoreEPSS 0.5% · 44th percentile
  29. 2026-09-21 20:28 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  30. 2026-09-20 20:13 UTCEPSS rescoreEPSS 0.5% · 44th percentile
  31. 2026-09-19 15:38 UTCEPSS rescoreEPSS 0.5% · 44th percentile
  32. 2026-09-18 19:24 UTCEPSS rescoreEPSS 0.5% · 44th percentile
  33. 2026-09-17 19:23 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  34. 2026-09-16 14:05 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  35. 2026-09-15 03:06 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  36. 2026-09-12 14:57 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  37. 2026-09-11 14:49 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  38. 2026-09-11 09:33 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  39. 2026-09-08 21:57 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  40. 2026-09-07 15:58 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  41. 2026-09-06 13:45 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  42. 2026-09-05 15:25 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  43. 2026-09-05 07:18 UTCOSV refresh
  44. 2026-09-04 13:57 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  45. 2026-09-04 05:03 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  46. 2026-09-02 14:09 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  47. 2026-09-01 13:51 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  48. 2026-08-30 19:14 UTCEPSS rescoreEPSS 0.5% · 43rd percentile
  49. 2026-08-30 01:19 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  50. 2026-08-28 21:38 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  51. 2026-08-27 14:22 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  52. 2026-08-26 14:43 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  53. 2026-08-25 13:46 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  54. 2026-08-24 14:13 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  55. 2026-08-21 23:46 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  56. 2026-08-20 22:52 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  57. 2026-08-19 17:01 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  58. 2026-08-18 17:58 UTCOSV refresh
  59. 2026-08-18 13:45 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  60. 2026-08-17 13:44 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  61. 2026-08-16 14:53 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  62. 2026-08-16 02:11 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  63. 2026-08-15 01:27 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  64. 2026-08-13 21:57 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  65. 2026-08-12 13:48 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  66. 2026-08-11 13:38 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  67. 2026-08-09 13:44 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  68. 2026-08-08 16:34 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  69. 2026-08-07 16:24 UTCEPSS rescoreEPSS 0.5% · 42nd percentile
  70. 2026-08-06 13:44 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  71. 2026-08-05 19:15 UTCEPSS rescoreEPSS 0.5% · 40th percentile
  72. 2026-08-04 15:06 UTCEPSS rescoreEPSS 0.5% · 40th percentile

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2022-20792?
CVE-2022-20792 is a high-severity vulnerability; its CVE record was published on August 10, 2022. A vulnerability in the regex module used by the signature database load module of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an authenticated, local attacker to crash ClamAV at database load time, and possibly gain code execution.…
When was CVE-2022-20792 made public?
CVE-2022-20792 was made public on May 4, 2022: that is the date its CVE record's CNA, Cisco Systems, Inc., gives for when the vulnerability was made public. The CVE record itself was published on August 10, 2022. EchelonGraph's copy of the record carries a last-modified date of November 21, 2024; the record at its source may have been updated since.
Is CVE-2022-20792 actively exploited?
CVE-2022-20792 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (47th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2022-20792?
CVE-2022-20792 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2022-20792?
A fix for CVE-2022-20792 is available: update to the fixed version the vendor names in its advisory.

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