CVE-2013-5536: cisco secure_access_control_system Improper Input Validation
CVSS: 5.0v2.0MediumModified
Published 24-10-2013Last modified 16-09-2024
Vulnerability summary
CVE-2013-5536 is a medium (CVSS 5.0) Improper Input Validation vulnerability in cisco secure_access_control_system. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
1.50%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-10-2013PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
Cisco Secure Access Control System (ACS) does not properly implement an incoming-packet firewall rule, which allows remote attackers to cause a denial of service (process crash) via a flood of crafted packets, aka Bug ID CSCui51521.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.50%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.50% on 18-09-2026
18-09-202618-10-2026
EPSS score1.50%
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
1 vendor · 1 product
References
1 links- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5536Vendor AdvisoryX Refsource CISCO