CVE-2018-17431

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-13. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 84%
CISA-KEV: Not listedEPSS: 84%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Web Console in Comodo UTM Firewall before 2.7.0 allows remote attackers to execute arbitrary code without authentication via a crafted URL.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
82(Track*)
EG Risk 82/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation84% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.7%
KEV
Not listed

Published

January 30, 2019

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 24, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

GitHub - Fadavvi/CVE-2018-17431-PoC: Proof of consept for CVE-2018-17431 · GitHub

https://github.com/Fadavvi/CVE-2018-17431-PoC#confirmation-than-bug-exist-2018-09-25-ticket-id-xwr-503-79437

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 16× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. 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. Most recent first.

  1. 2026-07-23 01:34 UTCEG score recompute
  2. 2026-07-22 22:14 UTCEG score recompute
  3. 2026-07-22 14:04 UTCEPSS rescore
  4. 2026-07-21 15:21 UTCEPSS rescore
  5. 2026-07-19 14:28 UTCEPSS rescore
  6. 2026-07-15 16:55 UTCEPSS rescore
  7. 2026-07-09 19:06 UTCEPSS rescore
  8. 2026-07-05 02:27 UTCEPSS rescore
  9. 2026-07-04 06:28 UTCEPSS rescore
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-07-01 15:03 UTCEPSS rescore
  12. 2026-06-30 23:19 UTCEPSS rescore
  13. 2026-06-30 23:19 UTCEPSS rescore
  14. 2026-06-27 03:06 UTCEPSS rescore
  15. 2026-06-24 14:02 UTCEPSS rescore
  16. 2026-06-24 14:02 UTCEPSS rescore
  17. 2026-06-23 21:30 UTCEPSS rescore
  18. 2026-06-17 17:50 UTCEPSS rescore
  19. 2026-06-17 17:50 UTCEPSS rescore
  20. 2026-06-15 17:45 UTCEPSS rescore
  21. 2026-06-14 23:14 UTCEPSS rescore
  22. 2026-06-14 23:14 UTCEPSS rescore
  23. 2026-06-12 23:09 UTCEPSS rescore
  24. 2026-06-04 13:10 UTCEPSS rescore
  25. 2026-06-04 13:10 UTCEPSS rescore
Show 5 more
  1. 2026-05-29 13:41 UTCEPSS rescore
  2. 2026-05-26 13:42 UTCEPSS rescore
  3. 2026-05-26 13:42 UTCEPSS rescore
  4. 2026-05-23 02:48 UTCEG score recompute
  5. 2026-05-23 02:48 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-48825
    First seen Sep 22, 2020

    Comodo Unified Threat Management Web Console 2.7.0 - Remote Code Execution

    Open source ↗
  • GitHub PoCFadavvi/CVE-2018-17431-PoC
    First seen Dec 8, 2018

    Proof of consept for CVE-2018-17431

    Open source ↗
  • Nucleihttp/cves/2018/CVE-2018-17431.yaml
    First seen Jan 1, 2018

    Comodo Unified Threat Management Web Console - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-17431?
CVE-2018-17431 is a critical vulnerability published on January 30, 2019. Web Console in Comodo UTM Firewall before 2.7.0 allows remote attackers to execute arbitrary code without authentication via a crafted URL.
When was CVE-2018-17431 disclosed?
CVE-2018-17431 was first published in the National Vulnerability Database on January 30, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-17431 actively exploited?
CVE-2018-17431 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-17431?
CVE-2018-17431 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-17431?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17431, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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