CVE-2009-1155

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.

Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, and 8.1 before 8.1(2)15, when AAA override-account-disable is entered in a general-attributes field, allow remote attackers to bypass authentication and establish a VPN session to an ASA device via unspecified vectors.

CVSS v3
—
EG Score
0.0(none)
EPSS
76.9%
KEV
Not listed

Published

April 9, 2009

Last Modified

April 23, 2026

References (12)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× 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. 2026-07-06 16:23 UTCEPSS rescore
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  1. 2026-06-19 19:22 UTCEPSS rescore
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  36. 2026-05-30 17:19 UTCEG score recompute
  37. 2026-05-30 17:19 UTCGHSA enrichment
  38. 2026-05-29 13:40 UTCEPSS rescore
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  42. 2026-05-27 13:38 UTCEPSS rescore
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  44. 2026-05-26 13:41 UTCEPSS rescore
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  46. 2026-05-26 07:16 UTCEPSS rescore
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  48. 2026-05-24 16:43 UTCEPSS rescore
  49. 2026-05-22 21:15 UTCEPSS rescore
  50. 2026-05-22 21:15 UTCEPSS rescore
  51. 2026-05-20 22:37 UTCEPSS rescore
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  53. 2026-05-20 11:21 UTCEPSS rescore
  54. 2026-05-20 11:20 UTCEPSS rescore
  55. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2009-1155?
CVE-2009-1155 is a none vulnerability published on April 9, 2009. Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, and 8.1 before 8.1(2)15, when AAA override-account-disable is entered in a general-attributes field, allow remote attackers to bypass authentication…
When was CVE-2009-1155 disclosed?
CVE-2009-1155 was first published in the National Vulnerability Database on April 9, 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-2009-1155 actively exploited?
CVE-2009-1155 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-1155?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1155, 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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