What is CVE-2017-12303?

CVE-2017-12303 is a medium-severity vulnerability in Cisco Asyncos, classified under CWE-358. CVSS score: 5.3/10. Published 2017-11-16.

How severe is CVE-2017-12303?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco Asyncos

CVE-2017-12303

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.

EPSS: 0.016 (73.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cisco Asyncos — versions 10.1.1-234, 10.1.1-235
N/a Cisco Web Security Appliance — versions Cisco Web Security Appliance

Weakness classification (CWE)

CWE-358

References

psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2017-12303?: CVE-2017-12303 is a medium-severity vulnerability in Cisco Asyncos, classified under CWE-358. CVSS score: 5.3/10. Published 2017-11-16.
How severe is CVE-2017-12303?: Medium severity. CVSS v3 base score is 5.3 out of 10.