VulnerabilityModified

CVE-2017-12303

MEDIUM 5.3EPSS 1.64%

Does this matter?

Lower severity and a low EPSS score (1.64%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0: 5.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 1.64% probability · 76th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-358
Affected: cisco/asyncos
Source: psirt@cisco.com

EPSS trend

EPSS 1.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://www.securityfocus.com/bid/101932Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039828Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-wsaVendor Advisory
http://www.securityfocus.com/bid/101932Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039828Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171115-wsaVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.