CVE-2009-0759

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

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

Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify the znc.conf configuration file and gain privileges via CRLF sequences in the quit message and other vectors.

CVSS v3
—
EG Score
0.0(none)
EPSS
79.4%
KEV
Not listed

Published

March 3, 2009

Last Modified

April 23, 2026

References (14)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 42× 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. 2026-07-07 20:12 UTCOSV refresh
  2. 2026-07-06 16:23 UTCEPSS rescore
  3. 2026-07-06 02:19 UTCEPSS rescore
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  12. 2026-06-28 14:03 UTCEPSS rescore
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  15. 2026-06-27 03:05 UTCEPSS rescore
  16. 2026-06-25 13:46 UTCEPSS rescore
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  18. 2026-06-24 14:02 UTCEPSS rescore
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  20. 2026-06-23 21:29 UTCEPSS rescore
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  22. 2026-06-22 14:22 UTCEPSS rescore
  23. 2026-06-22 14:22 UTCEPSS rescore
  24. 2026-06-21 14:53 UTCEPSS rescore
  25. 2026-06-19 19:22 UTCEPSS rescore
Show 56 more
  1. 2026-06-19 19:22 UTCEPSS rescore
  2. 2026-06-19 07:55 UTCOSV refresh
  3. 2026-06-18 17:49 UTCEPSS rescore
  4. 2026-06-18 17:49 UTCEPSS rescore
  5. 2026-06-17 17:49 UTCEPSS rescore
  6. 2026-06-17 17:49 UTCEPSS rescore
  7. 2026-06-16 17:49 UTCEPSS rescore
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  9. 2026-06-15 17:44 UTCEPSS rescore
  10. 2026-06-14 23:14 UTCEPSS rescore
  11. 2026-06-14 23:14 UTCEPSS rescore
  12. 2026-06-13 22:57 UTCEPSS rescore
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  17. 2026-06-08 14:13 UTCEPSS rescore
  18. 2026-06-07 15:22 UTCEPSS rescore
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  20. 2026-06-06 13:44 UTCEPSS rescore
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  22. 2026-06-06 13:44 UTCEPSS rescore
  23. 2026-06-05 22:44 UTCEPSS rescore
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  25. 2026-06-05 06:07 UTCEPSS rescore
  26. 2026-06-04 13:09 UTCEPSS rescore
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  28. 2026-06-02 20:10 UTCEPSS rescore
  29. 2026-06-02 20:10 UTCEPSS rescore
  30. 2026-06-01 13:49 UTCEPSS rescore
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  32. 2026-05-31 22:28 UTCEPSS rescore
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  34. 2026-05-31 00:13 UTCEPSS rescore
  35. 2026-05-31 00:13 UTCEPSS rescore
  36. 2026-05-30 17:53 UTCEG score recompute
  37. 2026-05-30 17:53 UTCGHSA enrichment
  38. 2026-05-29 13:40 UTCEPSS rescore
  39. 2026-05-28 13:42 UTCEPSS rescore
  40. 2026-05-28 13:42 UTCEPSS rescore
  41. 2026-05-28 13:42 UTCEPSS rescore
  42. 2026-05-27 13:38 UTCEPSS rescore
  43. 2026-05-27 13:38 UTCEPSS rescore
  44. 2026-05-26 15:31 UTCOSV refresh
  45. 2026-05-26 13:41 UTCEPSS rescore
  46. 2026-05-26 13:41 UTCEPSS rescore
  47. 2026-05-26 07:16 UTCEPSS rescore
  48. 2026-05-26 07:16 UTCEPSS rescore
  49. 2026-05-24 16:43 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-22 21:15 UTCEPSS rescore
  52. 2026-05-20 22:37 UTCEPSS rescore
  53. 2026-05-20 22:37 UTCEPSS rescore
  54. 2026-05-20 11:21 UTCEPSS rescore
  55. 2026-05-20 11:20 UTCEPSS rescore
  56. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2009-0759?
CVE-2009-0759 is a none vulnerability published on March 3, 2009. Multiple CRLF injection vulnerabilities in webadmin in ZNC before 0.066 allow remote authenticated users to modify the znc.conf configuration file and gain privileges via CRLF sequences in the quit message and other vectors.
When was CVE-2009-0759 disclosed?
CVE-2009-0759 was first published in the National Vulnerability Database on March 3, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-0759 actively exploited?
CVE-2009-0759 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-0759?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-0759, 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.

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