VIR Vulnerability Intelligence Relay

CVE-2016-6465

medium
Published 2016-12-14 · Modified 2026-05-06
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
4.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4 NEW
—
not yet in upstream
VIR risk
4.3

Description

A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances and Cisco Web Security Appliances could allow an unauthenticated, remote attacker to bypass user filters that are configured for an affected device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for both virtual and hardware versions of the following Cisco products: Cisco Email Security Appliances (ESAs) that are configured to use message or content filters that scan incoming email attachments; Cisco Web Security Appliances (WSAs) that are configured to use services that scan accessed web content. More Information: CSCva90076, CSCvb06764. Known Affected Releases: 10.0.0-125 8.5.7-042 9.7.2-047.

Predictions

Exploit likelihood
53%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Application impact
VendorProductVersionsFixed
cisco ciscoemail_security_appliance8.5.7-042
cisco ciscoemail_security_appliance9.7.2-047
cisco ciscoemail_security_appliance10.0.0-125
cisco ciscoemail_security_appliance10.0.0-232

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.