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CVE-2016-1480

26
FAUCET Score

CVE-2016-1480 describes a bypass vulnerability in the MIME scanner of Cisco AsyncOS Software for Email Security Appliances (ESA) and Web Security Appliances (WSA). This flaw allows an unauthenticated, remote attacker to circumvent configured user filters designed to scan incoming email attachments. Affected products include various versions of Cisco ESA and WSA, both virtual and hardware appliances, prior to fixed releases like 9.1.1-038 and 9.7.1-066. The vulnerability carries a CVSSv3 score of 7.5 (High), indicating a critical severity. Its vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) signifies that it can be exploited remotely over the network with low attack complexity and no user interaction, leading to high confidentiality impact. There is no evidence of active exploitation, nor are there known public exploit codes available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public attention.

Impacted Technologies

VendorProductVersion(s)CPE
8.0.1-023CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:8.0.1-023:*:*:*:*:*:*:*
8.0_baseCPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:8.0_base:*:*:*:*:*:*:*
8.5.0-000CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:8.5.0-000:*:*:*:*:*:*:*
8.5.0-er1-198CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:8.5.0-er1-198:*:*:*:*:*:*:*
8.5.6-052CPE matchmatch criteria
cpe:2.3:a:cisco:email_security_appliance:8.5.6-052:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.42%
Probability of exploitation in next 30 days
EPSS Percentile
82.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0242 is in the 69th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esawsa1
Vendor Advisory
securityfocus.com / bid/93914
securitytracker.com / id/1037116
securitytracker.com / id/1037117