7.5

CVE-2016-6372: cisco email_security_appliance_firmware Improper Input Validation

CVSS: 7.5v3.0HighModified
Published 28-10-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2016-6372 is a high (CVSS 7.5) Improper Input Validation vulnerability in cisco email_security_appliance_firmware. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 76% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.63%
0%100%
Low · +0.15 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-10-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the email message and content filtering for malformed Multipurpose Internet Mail Extensions (MIME) headers of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of the targeted device. Emails that should have been quarantined could instead be processed. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA on both virtual and hardware appliances that are configured with message or content filters to scan incoming email attachments. More Information: CSCuy54740, CSCuy75174. Known Affected Releases: 9.7.1-066 9.5.0-575 WSA10.0.0-000. Known Fixed Releases: 10.0.0-125 9.1.1-038 9.7.2-047.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.63%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

+0.15 pp

From 1.49% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco3 products
  • email_security_appliance_firmware8.0.1-023 | 8.0_base | 8.5.0-000 | 8.5.0-er1-198 | 8.5.6-052 | 8.5.6-073 | 8.5.6-074 | 8.5.6-106 | 8.5.6-113 | 8.5.7-042 | 8.6.0 | 8.6.0-011 | 8.9.0 | 8.9.1-000 | 8.9.2-032 | 9.0.0 | 9.0.0-212 | 9.0.0-461 | 9.0.5-000 | 9.1.0 | 9.1.0-011 | 9.1.0-032 | 9.1.0-101 | 9.1.1-000 | 9.4.0 | 9.4.4-000 | 9.5.0-000 | 9.5.0-201 | 9.6.0-000 | 9.6.0-042 | 9.6.0-051 | 9.7.0-125 | 9.7.1-066 | 9.9.6-026 | 9.9_base
  • web_security_appliance5.6.0-623 | 6.0.0-000 | 7.1.0 | 7.1.1 | 7.1.2 | 7.1.3 | 7.1.4 | 7.5.0-000 | 7.5.0-825 | 7.5.1-000 | 7.5.2-000 | 7.5.2-hp2-303 | 7.7.0-000 | 7.7.0-608 | 7.7.1-000 | 7.7.5-835 | 8.0.0-000 | 8.0.5 | 8.0.6 | 8.0.6-078 | 8.0.6-119 | 8.0.7 | 8.0.7-142 | 8.0.8-mr-113 | 8.5.0-497 | 8.5.0.000 | 8.5.1-021 | 8.5.2-024 | 8.5.2-027 | 8.5.3-055 | 8.8.0-000 | 8.8.0-085 | 9.0.0-193 | 9.0_base | 9.1.0-000 | 9.1.0-070 | 9.1_base | 9.5.0-235 | 9.5.0-284 | 9.5.0-444 | 9.5_base
  • web_security_appliance_8.0.5hot_patch_1

1 vendor · 3 products

References

4 links