CVE-2006-5143

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 79%
CISA-KEV: Not listedEPSS: 79%CVSS: —Exploit: NoneExposed: 0

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

Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted data on TCP port 6071 to the Backup Agent RPC Server (DBASVR.exe) using the RPC routines with opcode (1) 0x01, (2) 0x02, or (3) 0x18; invalid stub data on TCP port 6503 to the RPC routines with opcode (4) 0x2b or (5) 0x2d in ASCORE.dll in the Message Engine RPC Server (msgeng.exe); (6) a long hostname on TCP port 41523 to ASBRDCST.DLL in the Discovery Service (casdscsvc.exe); or unspecified vectors related to the (7) Job Engine Service.

CVSS v3
—
EG Score
0.0(none)
EPSS
99.5%
KEV
Not listed

Published

October 10, 2006

Last Modified

April 23, 2026

References (54)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 1× in last 7d / 20× 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. 2026-07-08 15:09 UTCEPSS rescore
  2. 2026-07-05 02:26 UTCEPSS rescore
  3. 2026-07-02 14:00 UTCEPSS rescore
  4. 2026-07-01 15:02 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-06-25 13:46 UTCEPSS rescore
  7. 2026-06-25 13:46 UTCEPSS rescore
  8. 2026-06-23 21:29 UTCEPSS rescore
  9. 2026-06-23 21:29 UTCEPSS rescore
  10. 2026-06-19 19:22 UTCEPSS rescore
  11. 2026-06-19 19:22 UTCEPSS rescore
  12. 2026-06-17 17:49 UTCEPSS rescore
  13. 2026-06-17 17:49 UTCEPSS rescore
  14. 2026-06-16 17:49 UTCEPSS rescore
  15. 2026-06-16 17:49 UTCEPSS rescore
  16. 2026-06-15 17:44 UTCEPSS rescore
  17. 2026-06-14 23:13 UTCEPSS rescore
  18. 2026-06-13 22:57 UTCEPSS rescore
  19. 2026-06-13 22:57 UTCEPSS rescore
  20. 2026-06-12 23:08 UTCEPSS rescore
  21. 2026-06-08 14:13 UTCEPSS rescore
  22. 2026-06-06 13:44 UTCEPSS rescore
  23. 2026-06-06 13:44 UTCEPSS rescore
  24. 2026-06-05 22:44 UTCEPSS rescore
  25. 2026-06-05 22:44 UTCEPSS rescore
Show 17 more
  1. 2026-06-05 06:07 UTCEPSS rescore
  2. 2026-06-04 13:09 UTCEPSS rescore
  3. 2026-06-04 13:09 UTCEPSS rescore
  4. 2026-06-01 13:49 UTCEPSS rescore
  5. 2026-06-01 13:49 UTCEPSS rescore
  6. 2026-05-31 22:28 UTCEPSS rescore
  7. 2026-05-31 22:28 UTCEPSS rescore
  8. 2026-05-31 06:27 UTCEG score recompute
  9. 2026-05-31 06:27 UTCGHSA enrichment
  10. 2026-05-28 13:42 UTCEPSS rescore
  11. 2026-05-28 13:42 UTCEPSS rescore
  12. 2026-05-27 13:37 UTCEPSS rescore
  13. 2026-05-27 13:37 UTCEPSS rescore
  14. 2026-05-24 16:42 UTCEPSS rescore
  15. 2026-05-20 22:36 UTCEPSS rescore
  16. 2026-05-18 21:29 UTCEPSS rescore
  17. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(5 references)

Working exploit code is in the public domain (1 Metasploit module) (4 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16401✓ verified
    First seen Apr 30, 2010

    CA BrightStor ARCserve - Message Engine Heap Overflow (Metasploit)

    Open source ↗
  • Exploit-DBEDB-3495✓ verified
    First seen Mar 16, 2007

    CA BrightStor ARCserve - 'msgeng.exe' Remote Stack Overflow

    Open source ↗
  • Exploit-DBEDB-28765✓ verified
    First seen Oct 5, 2006

    Computer Associates Products Message Engine RPC Server - Multiple Buffer Overflow Vulnerabilities (1)

    Open source ↗
  • Exploit-DBEDB-28766✓ verified
    First seen Oct 5, 2006

    Computer Associates Products Message Engine RPC Server - Multiple Buffer Overflow Vulnerabilities (2)

    Open source ↗
  • Metasploitexploit/windows/brightstor/message_engine_heap✓ verified
    First seen Oct 5, 2006

    CA BrightStor ARCserve Message Engine Heap Overflow

    Open source ↗

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2006-5143?
CVE-2006-5143 is a none vulnerability published on October 10, 2006. Multiple buffer overflows in CA BrightStor ARCserve Backup r11.5 SP1 and earlier, r11.1, and 9.01; BrightStor ARCserve Backup for Windows r11; BrightStor Enterprise Backup 10.5; Server Protection Suite r2; and Business Protection Suite r2 allow remote attackers to execute arbitrary code via crafted…
When was CVE-2006-5143 disclosed?
CVE-2006-5143 was first published in the National Vulnerability Database on October 10, 2006, 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-2006-5143 actively exploited?
CVE-2006-5143 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-5143?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-5143, 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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