Cisco AnyConnect Secure Mobility Client Interprocess Communication input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cisco AnyConnect Secure Mobility Client. Affected by this vulnerability is an unknown functionality of the component Interprocess Communication Handler. The manipulation leads to input validation. This vulnerability is listed as CVE-2020-3556. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco AnyConnect Secure Mobility Client (Network Encryption Software) (the affected version is unknown). It has been rated as critical. This issue affects an unknown code of the component Interprocess Communication Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was presented 11/07/2020 as cisco-sa-anyconnect-ipc-KfQO9QhK. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2020-3556. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

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: 🔍

Timelineinfo

12/12/2019 🔍
11/07/2020 +331 days 🔍
11/07/2020 +0 days 🔍
12/03/2020 +26 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-anyconnect-ipc-KfQO9QhK
Status: Confirmed

CVE: CVE-2020-3556 (🔍)
GCVE (CVE): GCVE-0-2020-3556
GCVE (VulDB): GCVE-100-164483

Entryinfo

Created: 11/07/2020 07:16
Updated: 12/03/2020 17:14
Changes: 11/07/2020 07:16 (38), 12/03/2020 17:10 (2), 12/03/2020 17:14 (19)
Complete: 🔍
Cache ID: 216::103

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