CVE-2024-23330

MEDIUMNVD 5.35.3
EchelonGraph scoreMEDIUM confidence

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

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.5% (41st percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from NVD CVSS v3
Sources: EPSS, NVD CVSS v3
Elevated

Also known asEUVD-2024-20844 (ENISA EUVD)Source: ENISA EUVD

5.3EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines at low or medium mission impact and sooner than that at high (the SSVC decision on this page).
  • CISA's Vulnrichment rates exploitation as PoC; EchelonGraph holds no exploit-code reference for it
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 5.3Exploit: No code on recordExposed services: Not assessed

The CVE record names the fixed release — apply it.

Tuta is an encrypted email service. In versions prior to 119.10, an attacker can attach an image in a html mail which is loaded from external resource in the default setting, which should prevent loading of external resources. When displaying emails containing external content, they should be loaded by default only after confirmation by the user. However, it could be recognized that certain embedded images (see PoC) are loaded, even though the "Automatic Reloading of Images" function is disabled by default. The reloading is also done unencrypted via HTTP and redirections are followed. This behavior is unexpected for the user, since the user assumes that external content will only be loaded after explicit manual confirmation. The loading of external content in e-mails represents a risk, because this makes the sender aware that the e-mail address is used, when the e-mail was read, which device is used and expose the user's IP address. Version 119.10 contains a patch for this issue.

CVSS v3
5.3
EG Score
5.3MEDIUMmedium confidence
EG Risk
55
EG Risk 55/100

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)
Severity53% × 45%
Impact severity (EG Severity): CVSS 5.3 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation40% × 40%
EchelonGraph's fixed weight for EG-KEV Tier 3 (Elevated): a constant, not a probability.
Automatability100% × 15%
CISA's SSVC Automatable value: yes (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Attend at high (mission-essential systems).
Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (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: The CVE record names the fixed release. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.5%
EPSS %ILE
41st
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 (5.3): severity, escalated by confirmed exploitation. This CVE's 5.3 is its impact severity (EG Severity), not escalated.

EG Severity
5.3 MEDIUMCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.NVD CVSS v3 · CVSS v3.0 or v3.1
EG Likelihood
0.5% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-10-25). 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; Attend at high (mission-essential systems).CISA BOD 26-04: 14 days if the affected system is publicly exposed; 60 days 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; Attend at high (mission-essential systems).

The CVE record names the fixed release. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact partial (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; 60 days if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable yes (CISA Vulnrichment) · Technical impact partial (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

January 23, 2024

Last Modified

November 21, 2024

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 36× 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 96 of 200 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. 4 repeat rows among the latest 100 are merged into the row they repeat. The 104 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

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

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Frequently asked(5)

What is CVE-2024-23330?
CVE-2024-23330 is a medium-severity vulnerability; its CVE record was published on January 23, 2024. Tuta is an encrypted email service. In versions prior to 119.10, an attacker can attach an image in a html mail which is loaded from external resource in the default setting, which should prevent loading of external resources. When displaying emails containing external content, they should be…
When was the CVE record for CVE-2024-23330 published?
The CVE record for CVE-2024-23330 was published on January 23, 2024. That is the record's publication date; the vulnerability itself may have been made public earlier. 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-2024-23330 actively exploited?
CVE-2024-23330 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (41st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2024-23330?
CVE-2024-23330 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2024-23330?
The CVE record for CVE-2024-23330 names the fix: "Version 119.10 contains a patch for this issue."

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