CVE-2013-5536
Cisco Secure Access Control System (ACS) does not properly implement an incoming-packet firewall...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-5536- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-5536- Updated
- 2026-11-02
EUVDEUVD-2013-5376 No score
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.
- Record
EUVD-2013-5376- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rfcq-qh2v-3pxc No score
Cisco Secure Access Control System (ACS) does not properly implement an incoming-packet firewall...
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.
- Record
GHSA-rfcq-qh2v-3pxc- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-5536 is a medium vulnerability (CVSS 5.0) in Cisco Secure Access Control System, published October 24, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.50%, the 74th percentile. No source names a fixed version.