CVE-2022-20784

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Summary

CVECVE-2022-20784
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-04-06 18:15:00 UTC
Updated2023-11-07 03:42:00 UTC
DescriptionA vulnerability in the Web-Based Reputation Score (WBRS) engine of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass established web request policies and access blocked content on an affected device. This vulnerability is due to incorrect handling of certain character combinations inserted into a URL. An attacker could exploit this vulnerability by sending crafted URLs to be processed by an affected device. A successful exploit could allow the attacker to bypass the web proxy and access web content that has been blocked by policy.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco Web Security Appliance - All All All
Application Cisco Web Security Appliance All All All All

References

ReferenceSourceLinkTags
20220406 Cisco Web Security Appliance Filter Bypass Vulnerability CISCO tools.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 317141 Cisco Web Security Appliance Filter Bypass Vulnerability (cisco-sa-swa-filter-bypass-XXXTU3X)
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