Cisco PIX/ASA 7.x/8.x improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco PIX and ASA 7.x/8.x. Affected by this vulnerability is an unknown functionality. This manipulation causes improper authentication. The identification of this vulnerability is CVE-2009-1155. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Cisco PIX and ASA 7.x/8.x (Firewall Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect availability. The summary by CVE is:

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.

The bug was discovered 04/08/2009. The weakness was shared 04/09/2009 with 0-day (Website). The advisory is shared at cisco.com. This vulnerability is known as CVE-2009-1155 since 03/26/2009. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49719), SecurityFocus (BID 34429†), OSVDB (53441†), Secunia (SA34607†) and SecurityTracker (ID 1022016†). The entries VDB-47647, VDB-47646, VDB-47645 and VDB-47644 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/26/2009 🔍
04/08/2009 +13 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/09/2009 +1 days 🔍
04/09/2009 +0 days 🔍
04/09/2009 +0 days 🔍
04/09/2009 +0 days 🔍
04/12/2009 +2 days 🔍
04/16/2009 +4 days 🔍
09/01/2019 +3790 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Organization: 0-day
Status: Confirmed

CVE: CVE-2009-1155 (🔍)
GCVE (CVE): GCVE-0-2009-1155
GCVE (VulDB): GCVE-100-3949
X-Force: 49719
SecurityFocus: 34429 - Cisco PIX and ASA Multiple Denial of Service, ACL Bypass, and Authentication Bypass Vulnerabilities
Secunia: 34607
OSVDB: 53441 - Cisco PIX / ASA Overide Account Feature VPN Authentication Bypass
SecurityTracker: 1022016
Vulnerability Center: 21509 - [cisco-sa-20090408-asa] Cisco PIX and ASA Remote Bypass Authentication VPN Vulnerability, High
Vupen: ADV-2009-0981

See also: 🔍

Entryinfo

Created: 04/16/2009 17:34
Updated: 09/01/2019 07:14
Changes: 04/16/2009 17:34 (72), 09/01/2019 07:14 (7)
Complete: 🔍
Cache ID: 216:3ED:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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