CVE-2009-1155 — 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

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HIGH

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

Published Apr 9, 2009

7.8

HIGH

CVSS 2.0

EPSS 1.88%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.88% 0.01880

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.01880

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	1.88% (0.01880)	78.72th	v5 (v2026.06.15)
Jun 15, 2026	1.88% (0.01880)	76.67th	v5 (v2026.06.15)
Mar 17, 2025	0.86% (0.00862)	73.46th	v4 (v2025.03.14)
Dec 12, 2024	0.47% (0.00472)	76.44th	v3 (v2023.03.01)
Feb 8, 2024	0.47% (0.00472)	74.90th	v3 (v2023.03.01)
Mar 7, 2023	0.47% (0.00472)	71.83th	v3 (v2023.03.01)
Mar 6, 2023	1.32% (0.01319)	71.27th	v2 (v2022.01.01)
Feb 23, 2023	1.32% (0.01319)	71.23th	v2 (v2022.01.01)
Apr 1, 2022	1.32% (0.01319)	69.22th	v2 (v2022.01.01)
Feb 4, 2022	1.32% (0.01319)	44.98th	v2 (v2022.01.01)

Weaknesses (1)

CWE-287

Improper Authentication

References (6)

http://osvdb.org/53441
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/34607
third-party-advisoryx_refsource_SECUNIA
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml
vendor-advisoryx_refsource_CISCOPatchVendor Advisory
http://www.securityfocus.com/bid/34429
vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1022016
vdb-entryx_refsource_SECTRACK
http://www.vupen.com/english/advisories/2009/0981
vdb-entryx_refsource_VUPEN

Link	Providers	Tags
http://osvdb.org/53441		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/34607		third-party-advisoryx_refsource_SECUNIA
http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml		vendor-advisoryx_refsource_CISCOPatchVendor Advisory
http://www.securityfocus.com/bid/34429		vdb-entryx_refsource_BID
http://www.securitytracker.com/id?1022016		vdb-entryx_refsource_SECTRACK
http://www.vupen.com/english/advisories/2009/0981		vdb-entryx_refsource_VUPEN

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Apr 9, 2009

Updated Aug 7, 2024

Reserved Mar 26, 2009

Link CVE-2009-1155

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-1155

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-1155