CVE-2015-6321: cisco content_security_management_appliance Resource Management Errors
Vulnerability summary
CVE-2015-6321 is a high (CVSS 7.8) Resource Management Errors vulnerability in cisco content_security_management_appliance. EPSS estimates a 2.76% chance of exploitation in the next 30 days, higher than 86% of scored vulnerabilities.
Timeline
- 06-11-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Cisco AsyncOS before 8.5.7-042, 9.x before 9.1.0-032, 9.1.x before 9.1.1-023, and 9.5.x and 9.6.x before 9.6.0-042 on Email Security Appliance (ESA) devices; before 9.1.0-032, 9.1.1 before 9.1.1-005, and 9.5.x before 9.5.0-025 on Content Security Management Appliance (SMA) devices; and before 7.7.0-725 and 8.x before 8.0.8-113 on Web Security Appliance (WSA) devices allows remote attackers to cause a denial of service (memory consumption) via a flood of TCP packets, aka Bug IDs CSCus79774, CSCus79777, and CSCzv95795.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.76%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.76% 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 causeAffected systems
Cisco3 products
- content_security_management_appliance7.8.0-328 | 7.8.1-001 | 7.9.0-201 | 7.9.2-116 | 8.0.1-031 | 8.1.0-001 | 8.1.1-033 | 8.1.2-000 | 8.2.0-238 | 8.3.0-350 | 8.3.5-061 | 8.3.6-014 | 8.3.7-010 | 8.4.0-150 | 9.0.0-073 | 9.1.0-004
- email_security_appliance_firmware7.6.1-000 | 7.6.3-000 | 7.7.0-000 | 7.7.1-000 | 7.8.0-311 | 8.5.6-052 | 8.6.0-011 | 8.9.1-000 | 8.9.2-032 | 9.0.0-212 | 9.0.5-000 | 9.1.0-011 | 9.4.4-000 | 9.5.0-000
- web_security_appliance5.6.0-623 | 6.0.0-000 | 7.5.0-000 | 7.5.0-825 | 7.5.1-000 | 7.5.2-000 | 7.7.0-000 | 7.7.1-000 | 8.0.0-000 | 8.5.0.000
1 vendor · 3 products
References
3 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151104-aosVendor AdvisoryX Refsource CISCO