Cisco AnyConnect Secure Mobility Client up to 3.0 VPN Downloader WebLaunch Java/ActiveX input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.9 | $0-$5k | 0.00 |
A vulnerability was found in Cisco AnyConnect Secure Mobility Client up to 3.0 (Network Encryption Software). It has been classified as critical. This affects the function WebLaunch
of the component VPN Downloader. The manipulation as part of a Java/ActiveX leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
The VPN downloader implementation in the WebLaunch feature in Cisco AnyConnect Secure Mobility Client 2.x before 2.5 MR6 on Windows, and 2.x before 2.5 MR6 and 3.x before 3.0 MR8 on Mac OS X and Linux, does not properly validate binaries that are received by the downloader process, which allows remote attackers to execute arbitrary code via vectors involving (1) ActiveX or (2) Java components, aka Bug ID CSCtw47523.
The weakness was disclosed 06/20/2012 by Cisco with gwslabs.com as cisco-sa-20120620-ac as confirmed bulletin (Website) via ZDI (Zero Day Initiative). The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2012-2493 since 05/07/2012. It is possible to initiate the attack remotely. The requirement for exploitation is a authentication. Technical details and a private exploit are known.
It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 59820 (Cisco AnyConnect Secure Mobility Client VPN Downloader RCE (cisco-sa-20120620-ac)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120296 (Cisco AnyConnect Secure Mobility Client Multiple Vulnerabilities).
Upgrading eliminates this vulnerability. The upgrade is hosted for download at tools.cisco.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 (76462) and Tenable (59820). The entries 61042, 61041, 61040 and 62418 are pretty similar.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.9VulDB Meta Temp Score: 8.9
VulDB Base Score: 9.9
VulDB Temp Score: 8.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Private
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 59820
Nessus Name: Cisco AnyConnect Secure Mobility Client VPN Downloader RCE (cisco-sa-20120620-ac)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: tools.cisco.com
Timeline
05/07/2012 🔍06/20/2012 🔍
06/20/2012 🔍
06/20/2012 🔍
06/20/2012 🔍
06/20/2012 🔍
06/21/2012 🔍
06/22/2012 🔍
06/23/2012 🔍
06/27/2012 🔍
07/02/2012 🔍
03/25/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20120620-ac
Researcher: Cisco
Organization: gwslabs.com
Status: Confirmed
CVE: CVE-2012-2493 (🔍)
IAVM: 🔍
X-Force: 76462
Vulnerability Center: 35434 - [cisco-sa-20120620-ac] Cisco AnyConnect Secure Mobility Client WebLaunch VPN Downloader Flaw Allows Remote Code Execution, Critical
SecurityFocus: 54107 - Cisco AnyConnect Secure Mobility Client VPN Downloader Arbitrary Code Execution Vulnerabilities
Secunia: 49645 - Cisco AnyConnect VPN Client Two Vulnerabilities, Highly Critical
OSVDB: 83096
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 06/23/2012 18:33Updated: 03/25/2021 17:38
Changes: 06/23/2012 18:33 (79), 06/23/2017 18:03 (9), 03/25/2021 17:38 (3)
Complete: 🔍
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