Cisco Access Gateway Authentication improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Access Gateway. It has been rated as problematic. The impacted element is an unknown function of the component Authentication. This manipulation causes improper authentication. This vulnerability appears as CVE-2008-2528. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Cisco Access Gateway (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function of the component Authentication. 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 confidentiality, and integrity. The summary by CVE is:

Unspecified vulnerability in Citrix Access Gateway Standard Edition 4.5.7 and earlier and Advanced Edition 4.5 HF2 and earlier allows attackers to bypass authentication and gain "access to network resources" via unspecified vectors.

The weakness was presented 05/13/2008 with Citrix (Website). It is possible to read the advisory at support.citrix.com. This vulnerability is known as CVE-2008-2528 since 06/03/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

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

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.citrix.com. The best possible mitigation is suggested to be upgrading to the latest version. 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 (42356), SecurityFocus (BID 29174†), OSVDB (45047†), Secunia (SA30175†) and SecurityTracker (ID 1020025†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.8
VulDB Temp Score: 4.2
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: support.citrix.com

Timelineinfo

05/09/2008 🔍
05/09/2008 +0 days 🔍
05/13/2008 +4 days 🔍
05/13/2008 +0 days 🔍
05/15/2008 +1 days 🔍
05/20/2008 +5 days 🔍
06/03/2008 +14 days 🔍
06/03/2008 +0 days 🔍
03/16/2021 +4669 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: support.citrix.com
Organization: Citrix
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-2528 (🔍)
GCVE (CVE): GCVE-0-2008-2528
GCVE (VulDB): GCVE-100-3703
X-Force: 42356 - Citrix Access Gateway Standard and Advanced Edition unspecified authentication bypass, Medium Risk
SecurityFocus: 29174 - Citrix Access Gateway Standard and Advanced Edition Unspecified Authentication Bypass Vulnerability
Secunia: 30175 - Citrix Access Gateway Unspecified Authentication Bypass, Less Critical
OSVDB: 45047 - Citrix Access Gateway Unspecified Authentication Bypass
SecurityTracker: 1020025 - Citrix Access Gateway Lets Remote Users Bypass Authentication
Vupen: ADV-2008-1474

Entryinfo

Created: 05/20/2008 09:43
Updated: 03/16/2021 14:11
Changes: 05/20/2008 09:43 (70), 08/22/2016 10:07 (1), 03/16/2021 14:11 (8)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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