Citrix Access Gateway up to 5.0.03 access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability has been found in Citrix Access Gateway up to 5.0.03 (Connectivity Software) and classified as critical. This vulnerability affects some unknown processing of the component Access Handler. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Unspecified vulnerability in Citrix Access Gateway Standard Edition 5.0.x before 5.0.4.223524 allows remote attackers to access network resources via unknown attack vectors.

The weakness was presented 03/05/2013 by Ben Williams, David Middlehurst and James Eaton-Lee with NCC Group Research as CTX136623 as confirmed knowledge base article (Website). The advisory is shared for download at support.citrix.com. The public release was coordinated in cooperation with the vendor. This vulnerability was named CVE-2013-2263 since 02/20/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 65952 (Citrix Access Gateway 5.x < 5.0.4.223524 Unspecified Security Bypass), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

Upgrading to version 5.0.4.223524 eliminates this vulnerability. The upgrade is hosted for download at citrix.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (82591) and Tenable (65952).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.5
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65952
Nessus Name: Citrix Access Gateway 5.x < 5.0.4.223524 Unspecified Security Bypass
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Access Gateway 5.0.4.223524

Timelineinfo

02/20/2013 🔍
03/05/2013 +13 days 🔍
03/05/2013 +0 days 🔍
03/05/2013 +0 days 🔍
03/05/2013 +0 days 🔍
03/06/2013 +1 days 🔍
03/08/2013 +2 days 🔍
03/19/2013 +11 days 🔍
04/12/2013 +24 days 🔍
04/15/2013 +3 days 🔍
05/05/2021 +2942 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: CTX136623
Researcher: Ben Williams, David Middlehurst, James Eaton-Lee
Organization: NCC Group Research
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-2263 (🔍)
X-Force: 82591 - Citrix Access Gateway unspecified security bypass, Medium Risk
SecurityTracker: 1028255
Vulnerability Center: 39110 - Citrix Access Gateway Standard Edition Unspecified Vulnerability Allows Network Resources Access, Medium
SecurityFocus: 58317 - Citrix Access Gateway Unspecified Security Bypass Vulnerability
Secunia: 52479 - Citrix Access Gateway Unspecified Security Bypass Vulnerability, Moderately Critical
OSVDB: 90905

Entryinfo

Created: 03/08/2013 10:33
Updated: 05/05/2021 18:57
Changes: 03/08/2013 10:33 (50), 04/27/2017 08:38 (32), 05/05/2021 18:50 (3), 05/05/2021 18:57 (1)
Complete: 🔍
Committer:

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