CVE-2013-5521
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which...
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
Exploit likelihood
What each source reports
NVD Score used
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
- Record
CVE-2013-5521- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
- Record
CVE-2013-5521- Updated
- 2026-11-02
EUVDEUVD-2013-5361 No score
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
- Record
EUVD-2013-5361- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x33p-qmp7-g8rf No score
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which...
Cisco Identity Services Engine does not properly restrict the creation of guest accounts, which allows remote attackers to cause a denial of service (exhaustion of the account supply) via a series of requests within one session, aka Bug ID CSCue94287.
- Record
GHSA-x33p-qmp7-g8rf- 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-2013-5521 is a medium vulnerability (CVSS 5.0) in Cisco Identity Services Engine Software, published October 25, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. No source names a fixed version.