CVE-2012-5991
CVE-2012-5991 is a medium-severity vulnerability in Cisco Wireless Lan Controller Software with a CVSS 2.0 base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.3)
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Wireless Lan Controller Software
- Published:
- Last modified:
Description
screens/base/web_auth_custom.html on Cisco Wireless LAN Controller (WLC) devices with software 7.2.110.0 allows remote authenticated users to cause a denial of service (device reload) via a certain buttonClicked value in an internal webauth_type request, aka Bug ID CSCud50209.
Frequently asked questions
- What is CVE-2012-5991?
- screens/base/web_auth_custom.html on Cisco Wireless LAN Controller (WLC) devices with software 7.2.110.0 allows remote authenticated users to cause a denial of service (device reload) via a certain buttonClicked value in an internal webauth_type request, aka Bug ID CSCud50209.
- How severe is CVE-2012-5991?
- CVE-2012-5991 has a CVSS 2.0 base score of 6.3, rated medium severity.
- Is CVE-2012-5991 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-5991?
- CVE-2012-5991 primarily affects Cisco Wireless Lan Controller Software. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-5991?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-5991 published?
- CVE-2012-5991 was published on 2012-12-19 and last updated on 2026-06-16.
References
Affected products (9)
- cpe:2.3:o:cisco:wireless_lan_controller_software:7.2.110.0:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2000_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2100_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:2500_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:4100_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:4400_wireless_lan_controller:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:5500_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:7500_wireless_lan_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:8500_wireless_lan_controller:-:*:*:*:*:*:*:*
More vulnerabilities in Cisco Wireless Lan Controller Software
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- CVE-2007-2036 — Critical (CVSS 10.0): The SNMP implementation in the Cisco Wireless LAN Controller (WLC) before 20070419 uses the default read-only community…
- CVE-2016-1363 — Critical (CVSS 9.8): Buffer overflow in the redirection functionality in Cisco Wireless LAN Controller (WLC) Software 7.2 through 7.4 before…
- CVE-2015-6314 — Critical (CVSS 9.8): Cisco Wireless LAN Controller (WLC) devices with software 7.6.x, 8.0 before 8.0.121.0, and 8.1 before 8.1.131.0 allow…
- CVE-2012-0371 — Critical (CVSS 9.3): Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before 7.0.220.4, when CPU-based ACLs…
- CVE-2013-1105 — Critical (CVSS 9.0): Cisco Wireless LAN Controller (WLC) devices with software 7.0 before 7.0.235.3, 7.1 and 7.2 before 7.2.111.3, and 7.3…