CVE-2007-2233

NONECVSS 0.0Weaponized
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.

cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.

CVSS v3
—
EG Score
0.0(none)
EPSS
78.3%
KEV
Not listed

Published

April 25, 2007

Last Modified

April 23, 2026

References (8)

Data Freshness Timeline

(refreshed 4× in last 7d / 36× 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. 2026-07-13 22:25 UTCEPSS rescore
  2. 2026-07-13 06:07 UTCEPSS rescore
  3. 2026-07-13 06:07 UTCEPSS rescore
  4. 2026-07-08 15:09 UTCEPSS rescore
  5. 2026-07-06 02:19 UTCEPSS rescore
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  17. 2026-06-28 04:52 UTCEPSS rescore
  18. 2026-06-25 13:46 UTCEPSS rescore
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  20. 2026-06-24 14:02 UTCEPSS rescore
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  24. 2026-06-21 01:56 UTCEPSS rescore
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  1. 2026-06-21 01:56 UTCEPSS rescore
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  4. 2026-06-18 17:49 UTCEPSS rescore
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  18. 2026-06-06 13:44 UTCEPSS rescore
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  20. 2026-06-05 22:44 UTCEPSS rescore
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  22. 2026-06-05 06:07 UTCEPSS rescore
  23. 2026-06-04 13:09 UTCEPSS rescore
  24. 2026-06-04 13:09 UTCEPSS rescore
  25. 2026-06-02 20:10 UTCEPSS rescore
  26. 2026-06-02 20:10 UTCEPSS rescore
  27. 2026-06-01 13:49 UTCEPSS rescore
  28. 2026-06-01 13:49 UTCEPSS rescore
  29. 2026-05-31 03:05 UTCEG score recompute
  30. 2026-05-31 03:05 UTCGHSA enrichment
  31. 2026-05-31 00:13 UTCEPSS rescore
  32. 2026-05-31 00:13 UTCEPSS rescore
  33. 2026-05-29 13:40 UTCEPSS rescore
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  36. 2026-05-27 13:37 UTCEPSS rescore
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  38. 2026-05-26 13:41 UTCEPSS rescore
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  40. 2026-05-26 07:16 UTCEPSS rescore
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  43. 2026-05-24 16:42 UTCEPSS rescore
  44. 2026-05-22 21:15 UTCEPSS rescore
  45. 2026-05-22 21:15 UTCEPSS rescore
  46. 2026-05-22 21:15 UTCEPSS rescore
  47. 2026-05-21 22:38 UTCEPSS rescore
  48. 2026-05-20 22:36 UTCEPSS rescore
  49. 2026-05-20 11:20 UTCEPSS rescore
  50. 2026-05-20 11:20 UTCEPSS rescore
  51. 2026-05-18 21:29 UTCEPSS rescore
  52. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-29844✓ verified
    First seen Apr 11, 2007

    Cosign 2.0.1/2.9.4a - CGI Register Command Remote Authentication Bypass

    Open source ↗

Frequently asked(4)

What is CVE-2007-2233?
CVE-2007-2233 is a none vulnerability published on April 25, 2007. cosign-bin/cosign.cgi in Cosign 2.0.2 and earlier allows remote authenticated users to perform unauthorized actions as an arbitrary user by using CR (\r) sequences in the service parameter to inject LOGIN and REGISTER commands with the desired username.
When was CVE-2007-2233 disclosed?
CVE-2007-2233 was first published in the National Vulnerability Database on April 25, 2007, 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-2007-2233 actively exploited?
CVE-2007-2233 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 78.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-2233?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-2233, 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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