CVE-2017-12303: cisco asyncos

Vulnerability summary

CVE-2017-12303 is a medium (CVSS 5.3) vulnerability in cisco asyncos. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76% of scored vulnerabilities.

Timeline

1. 16-11-2017
   PublishedVulnerability first disclosed.
2. 05-08-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the Advanced Malware Protection (AMP) file filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured AMP file filtering rule. The file types affected are zipped or archived file types. The vulnerability is due to incorrect and different file hash values when AMP scans the file. An attacker could exploit this vulnerability by sending a crafted email file attachment through the targeted device. An exploit could allow the attacker to bypass a configured AMP file filter. Cisco Bug IDs: CSCvf52943.

• CWE-358Improperly Implemented Security Check for StandardThe product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.