CVE-2005-0491

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 65%
CISA-KEV: Not listedEPSS: 65%CVSS: —Exploit: NoneExposed: 0

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

Stack-based buffer overflow in Knox Arkeia Server Backup 5.3.x allows remote attackers to execute arbitrary code via a long type 77 request.

CVSS v3
—
EG Score
0.0(none)
EPSS
99.2%
KEV
Not listed

Published

May 2, 2005

Last Modified

June 16, 2026

References (8)

Data Freshness Timeline

(refreshed 5× in last 7d / 21× 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 22:24 UTCEPSS rescore
  2. 2026-07-13 06:07 UTCEPSS rescore
  3. 2026-07-13 06:07 UTCEPSS rescore
  4. 2026-07-11 08:22 UTCEPSS rescore
  5. 2026-07-11 08:22 UTCEPSS rescore
  6. 2026-07-02 14:00 UTCEPSS rescore
  7. 2026-07-01 15:01 UTCEPSS rescore
  8. 2026-06-29 14:02 UTCEPSS rescore
  9. 2026-06-29 14:02 UTCEPSS rescore
  10. 2026-06-27 03:04 UTCEPSS rescore
  11. 2026-06-25 13:46 UTCEPSS rescore
  12. 2026-06-23 21:29 UTCEPSS rescore
  13. 2026-06-18 17:49 UTCEPSS rescore
  14. 2026-06-18 17:49 UTCEPSS rescore
  15. 2026-06-17 17:49 UTCEPSS rescore
  16. 2026-06-17 17:49 UTCEPSS rescore
  17. 2026-06-16 17:49 UTCEPSS rescore
  18. 2026-06-16 17:49 UTCEPSS rescore
  19. 2026-06-15 17:44 UTCEPSS rescore
  20. 2026-06-14 23:13 UTCEPSS rescore
  21. 2026-06-14 23:13 UTCEPSS rescore
  22. 2026-06-13 22:56 UTCEPSS rescore
  23. 2026-06-12 23:08 UTCEPSS rescore
  24. 2026-06-10 22:14 UTCEPSS rescore
  25. 2026-06-06 13:44 UTCEPSS rescore
Show 19 more
  1. 2026-06-06 13:44 UTCEPSS rescore
  2. 2026-06-05 22:43 UTCEPSS rescore
  3. 2026-06-05 22:43 UTCEPSS rescore
  4. 2026-06-04 13:09 UTCEPSS rescore
  5. 2026-06-04 13:09 UTCEPSS rescore
  6. 2026-06-01 13:49 UTCEPSS rescore
  7. 2026-06-01 13:49 UTCEPSS rescore
  8. 2026-05-31 13:24 UTCEG score recompute
  9. 2026-05-31 13:24 UTCGHSA enrichment
  10. 2026-05-28 13:42 UTCEPSS rescore
  11. 2026-05-28 13:42 UTCEPSS rescore
  12. 2026-05-28 13:42 UTCEPSS rescore
  13. 2026-05-27 13:37 UTCEPSS rescore
  14. 2026-05-26 13:41 UTCEPSS rescore
  15. 2026-05-26 13:41 UTCEPSS rescore
  16. 2026-05-21 22:38 UTCEPSS rescore
  17. 2026-05-20 22:36 UTCEPSS rescore
  18. 2026-05-20 22:36 UTCEPSS rescore
  19. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(7 references)

Working exploit code is in the public domain (2 Metasploit modules) (5 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16865✓ verified
    First seen May 9, 2010

    Knox Arkeia Backup Client Type 77 (OSX) - Remote Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-16466✓ verified
    First seen May 9, 2010

    Knox Arkeia Backup Client Type 77 (Windows x86) - Remote Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-828✓ verified
    First seen Feb 18, 2005

    Knox Arkeia Server Backup 5.3.x - Remote Code Execution

    Open source ↗
  • Exploit-DBEDB-9930✓ verified
    First seen Feb 18, 2005

    Knox Arkeia Backup Client 5.3.3 Type 77 (OSX) - Overflow (Metasploit)

    Open source ↗
  • Metasploitexploit/osx/arkeia/type77✓ verified
    First seen Feb 18, 2005

    Arkeia Backup Client Type 77 Overflow (Mac OS X)

    Open source ↗
  • Metasploitexploit/windows/arkeia/type77✓ verified
    First seen Feb 18, 2005

    Arkeia Backup Client Type 77 Overflow (Win32)

    Open source ↗
  • Exploit-DBEDB-102✓ verified
    First seen Sep 20, 2003

    Knox Arkeia Pro 5.1.12 - Backup Remote Code Execution

    Open source ↗

Frequently asked(4)

What is CVE-2005-0491?
CVE-2005-0491 is a none vulnerability published on May 2, 2005. Stack-based buffer overflow in Knox Arkeia Server Backup 5.3.x allows remote attackers to execute arbitrary code via a long type 77 request.
When was CVE-2005-0491 disclosed?
CVE-2005-0491 was first published in the National Vulnerability Database on May 2, 2005, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2005-0491 actively exploited?
CVE-2005-0491 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-0491?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-0491, 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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