CVE-2023-20057

Summary

A vulnerability in the URL filtering mechanism of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass the URL reputation filters on an affected device. This vulnerability is due to improper processing of URLs. An attacker could exploit this vulnerability by crafting a URL in a particular way. A successful exploit could allow the attacker to bypass the URL reputation filters that are configured for an affected device, which could allow malicious URLs to pass through the device.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Email Security Appliance (ESA)10.0.1-087unaffected

Weaknesses

  • CWE-792: Incomplete Filtering of One or More Instances of Special Elements

ADP Enrichment

CVE Program Container

Additional References

References