VDB-170102 · CVE-2021-1366 · GCVE-0-2021-1366

Cisco AnyConnect Secure Mobility Client on Windows Interprocess Communication uncontrolled search path

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Cisco AnyConnect Secure Mobility Client on Windows. This impacts an unknown function of the component Interprocess Communication Handler. Such manipulation leads to uncontrolled search path. This vulnerability is uniquely identified as CVE-2021-1366. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cisco AnyConnect Secure Mobility Client on Windows (Network Encryption Software) (affected version not known). Affected by this issue is some unknown functionality of the component Interprocess Communication Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. Using CWE to declare the problem leads to CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 02/17/2021 as cisco-sa-anyconnect-dll-hijac-JrcTOQMC. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2021-1366. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/02/2021). This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Network Encryption Software

Vendor

Cisco

Name

AnyConnect Secure Mobility Client

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/13/2020 🔍
02/17/2021 +96 days 🔍
02/17/2021 +0 days 🔍
03/02/2021 +13 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-anyconnect-dll-hijac-JrcTOQMC
Status: Confirmed

CVE: CVE-2021-1366 (🔍)
GCVE (CVE): GCVE-0-2021-1366
GCVE (VulDB): GCVE-100-170102

Entryinfo

Created: 02/17/2021 21:53
Updated: 03/02/2021 23:51
Changes: 02/17/2021 21:53 (39), 03/02/2021 23:45 (2), 03/02/2021 23:51 (19)
Complete: 🔍
Cache ID: 216::103