CVE-2009-4769

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 38%CVSS: —Exploit: NoneExposed: 0

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

Multiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to execute arbitrary code via format string specifiers in a GET request to the HTTP server component when logging is enabled, and allow (2) remote authenticated users to execute arbitrary code via format string specifiers in a PWD command to the FTP server component.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

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. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
98.4%
KEV
Not listed

Published

April 20, 2010

Last Modified

April 29, 2026

References (10)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 29× 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 01:00 UTCEG score recompute
  2. 2026-07-23 00:38 UTCEG score recompute▼ 1.30
  3. 2026-07-23 00:05 UTCEG score recompute▲ 1.30
  4. 2026-07-22 21:44 UTCEG score recompute
  5. 2026-07-22 14:03 UTCEPSS rescore
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  7. 2026-07-21 15:20 UTCEPSS rescore
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  10. 2026-07-16 16:58 UTCEPSS rescore
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  1. 2026-06-24 14:02 UTCEPSS rescore
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  3. 2026-06-23 21:30 UTCEPSS rescore
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  5. 2026-06-21 01:56 UTCEPSS rescore
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  7. 2026-06-18 17:49 UTCEPSS rescore
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  18. 2026-06-10 22:14 UTCEPSS rescore
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  20. 2026-06-06 13:44 UTCEPSS rescore
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  22. 2026-06-05 22:44 UTCEPSS rescore
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  24. 2026-06-05 06:07 UTCEPSS rescore
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  26. 2026-06-02 20:10 UTCEPSS rescore
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  28. 2026-06-01 13:49 UTCEPSS rescore
  29. 2026-06-01 13:49 UTCEPSS rescore
  30. 2026-05-31 22:28 UTCEPSS rescore
  31. 2026-05-31 22:28 UTCEPSS rescore
  32. 2026-05-31 00:14 UTCEPSS rescore
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  34. 2026-05-29 13:40 UTCEPSS rescore
  35. 2026-05-29 11:58 UTCEG score recompute
  36. 2026-05-29 11:58 UTCGHSA enrichment
  37. 2026-05-28 13:42 UTCEPSS rescore
  38. 2026-05-28 13:42 UTCEPSS rescore
  39. 2026-05-27 13:38 UTCEPSS rescore
  40. 2026-05-27 13:38 UTCEPSS rescore
  41. 2026-05-26 13:41 UTCEPSS rescore
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  43. 2026-05-26 07:16 UTCEPSS rescore
  44. 2026-05-26 07:16 UTCEPSS rescore
  45. 2026-05-22 21:15 UTCEPSS rescore
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  48. 2026-05-21 22:39 UTCEPSS rescore
  49. 2026-05-20 22:37 UTCEPSS rescore
  50. 2026-05-20 22:37 UTCEPSS rescore
  51. 2026-05-20 22:37 UTCEPSS rescore
  52. 2026-05-18 21:29 UTCEPSS rescore
  53. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (2 Metasploit modules) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16732✓ verified
    First seen Aug 25, 2010

    httpdx - 'tolog()' Format String (Metasploit) (1)

    Open source ↗
  • Exploit-DBEDB-16794✓ verified
    First seen Aug 25, 2010

    httpdx - 'tolog()' Format String (Metasploit) (2)

    Open source ↗
  • Metasploitexploit/windows/http/httpdx_tolog_format✓ verified
    First seen Nov 17, 2009

    HTTPDX tolog() Function Format String Vulnerability

    Open source ↗
  • Metasploitexploit/windows/ftp/httpdx_tolog_format✓ verified
    First seen Nov 17, 2009

    HTTPDX tolog() Function Format String Vulnerability

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2009-4769?
CVE-2009-4769 is a none vulnerability published on April 20, 2010. Multiple format string vulnerabilities in the tolog function in httpdx 1.4, 1.4.5, 1.4.6, 1.4.6b, and 1.5 allow (1) remote attackers to execute arbitrary code via format string specifiers in a GET request to the HTTP server component when logging is enabled, and allow (2) remote authenticated users…
When was CVE-2009-4769 disclosed?
CVE-2009-4769 was first published in the National Vulnerability Database on April 20, 2010, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-4769 actively exploited?
CVE-2009-4769 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-4769?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-4769, 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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