CVE-2012-5991

Wireless Lan Controller Software vulnerability

CVSS

6.3

EPSS

5.5%

EPSS pct

92th

Exploited

No known

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.

Affected vendor

Cisco

Affected product

Wireless Lan Controller Software

CVSS vector

AV:N/AC:M/Au:S/C:N/I:N/A:C

Published

2012-12-19

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 5.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2012-5991

Confirm whether Cisco Wireless Lan Controller Software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-5991.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-5991

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2012-5991 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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