CVE-2016-9207: cisco expressway Improper Input Validation
Vulnerability summary
CVE-2016-9207 is a medium (CVSS 6.5) Improper Input Validation vulnerability in cisco expressway. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.6% of scored vulnerabilities.
Timeline
- 14-12-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the HTTP traffic server component of Cisco Expressway could allow an unauthenticated, remote attacker to initiate TCP connections to arbitrary hosts. This does not allow for full traffic proxy through the Expressway. Affected Products: This vulnerability affects Cisco Expressway Series Software and Cisco TelePresence Video Communication Server (VCS). More Information: CSCvc10834. Known Affected Releases: X8.7.2 X8.8.3. Known Fixed Releases: X8.9.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.02%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.02% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-2547PK - Security FeaturesSoftware security is not security software. Here we're concerned with topics like authentication, access control, confidentiality, cryptography, and privilege management.
Affected systems
Cisco1 product
- expresswayx8.7.2 | x8.8.3
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161207-expresswayX Refsource CONFIRMVendor Advisory