CVE-2016-6458: cisco email_security_appliance_firmware Improper Input Validation
Vulnerability summary
CVE-2016-6458 is a high (CVSS 7.5) Improper Input Validation vulnerability in cisco email_security_appliance_firmware. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.4% of scored vulnerabilities.
Timeline
- 19-11-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the content filtering functionality of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to bypass content filters configured on an affected device. Email that should have been filtered could instead be forwarded by the device. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to use a content filter for email attachments that are protected or encrypted. More Information: CSCva52546. Known Affected Releases: 10.0.0-125 9.7.1-066.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.21%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.21% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco1 product
- email_security_appliance_firmware9.7.1-066 | 9.7.2-046 | 9.7.2-047 | 9.7.2-054 | 9.9.6-026 | 9.9_base | 10.0.0-124 | 10.0.0-125
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161102-esaX Refsource CONFIRMVendor Advisory