Cisco Expressway Series/TelePresence VCS REST API cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco Expressway Series and TelePresence VCS. The impacted element is an unknown function of the component REST API. Such manipulation leads to cross-site request forgery. This vulnerability is documented as CVE-2022-20853. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cisco Expressway Series and TelePresence VCS (Unified Communication Software) (the affected version unknown). Affected by this issue is an unknown part of the component REST API. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

A vulnerability in the REST API of Cisco Expressway Series and Cisco TelePresence VCS could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack on an affected system. This vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected system. An attacker could exploit this vulnerability by persuading a user of the REST API to follow a crafted link. A successful exploit could allow the attacker to cause the affected system to reload. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. 

The weakness was released 10/06/2022 as cisco-sa-expressway-csrf-sqpsSfY6. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2022-20853. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not 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: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.4
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

11/02/2021 🔍
10/06/2022 +337 days 🔍
10/06/2022 +0 days 🔍
07/31/2025 +1029 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-expressway-csrf-sqpsSfY6
Status: Confirmed

CVE: CVE-2022-20853 (🔍)
GCVE (CVE): GCVE-0-2022-20853
GCVE (VulDB): GCVE-100-210206

Entryinfo

Created: 10/06/2022 16:05
Updated: 07/31/2025 21:27
Changes: 10/06/2022 16:05 (38), 10/30/2022 15:06 (1), 07/31/2025 21:27 (27)
Complete: 🔍
Cache ID: 216::103

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