CVE-2016-9225: cisco asa_cx_context-aware_security_software Resource Management Errors
Vulnerability summary
CVE-2016-9225 is a high (CVSS 8.6) Resource Management Errors vulnerability in cisco asa_cx_context-aware_security_software. EPSS estimates a 2.66% chance of exploitation in the next 30 days, higher than 85.5% of scored vulnerabilities.
Timeline
- 01-02-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the data plane IP fragment handler of the Cisco Adaptive Security Appliance (ASA) CX Context-Aware Security module could allow an unauthenticated, remote attacker to cause the CX module to be unable to process further traffic, resulting in a denial of service (DoS) condition. The vulnerability is due to improper handling of IP fragments. An attacker could exploit this vulnerability by sending crafted fragmented IP traffic across the CX module. An exploit could allow the attacker to exhaust free packet buffers in shared memory (SHM), causing the CX module to be unable to process further traffic, resulting in a DoS condition. This vulnerability affects all versions of the ASA CX Context-Aware Security module. Cisco has not released and will not release software updates that address this vulnerability. There are no workarounds that address this vulnerability. Cisco Bug IDs: CSCva62946.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
2.66%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.66% on 20-09-2026
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
- asa_cx_context-aware_security_software9.0.1 | 9.0.1-40 | 9.0.2 | 9.0.2-68 | 9.0_base | 9.1.2-29 | 9.1.2-42 | 9.1.3-8 | 9.1.3-10 | 9.1.3-13 | 9.2.1-1 | 9.2.2-1 | 9.3\(1.1.112\) | 9.3.1-1 | 9.3.2-1 | 9.3.3.1-13 | 9.3.4-1 | 9.3.4-2 | 9.3.4-3 | 9.3.4-4 | 9.3.4-5 | 9.3.4-6 | 9.3.4.1.11 | 9.3_base
1 vendor · 1 product
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170125-casX Refsource CONFIRMVendor Advisory