What is CVE-2016-1315?

CVE-2016-1315 is a high-severity vulnerability in Cisco Email Security Appliance Firmeware, classified under Improper Access Control. CVSS score: 7.5/10. Published 2016-02-12.

How severe is CVE-2016-1315?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cisco Email Security Appliance Firmeware

CVE-2016-1315

The proxy engine in Cisco Advanced Malware Protection (AMP), when used with Email Security Appliance (ESA) 9.5.0-201, 9.6.0-051, and 9.7.0-125, allows remote attackers to bypass intended content restrictions via a malformed e-mail message containing an encoded file, aka Bug ID CSCux45338.

Published 2016-02-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Cisco Email Security Appliance Firmeware — versions 9.1.0-032, 9.5.0-201, 9.6.0-051

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160211… (vendor-advisory, Vendor Advisory)
www.securitytracker.com/id/1035008 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2016-1315?: CVE-2016-1315 is a high-severity vulnerability in Cisco Email Security Appliance Firmeware, classified under Improper Access Control. CVSS score: 7.5/10. Published 2016-02-12.
How severe is CVE-2016-1315?: High severity. CVSS v3 base score is 7.5 out of 10.