peter bassill · operator
$ cve CVE-2022-20695 JSON

CVE-2022-20695

10.0
CRITICAL · CVSS 3.1 · EPSS 19.8% (pctl 97)

Patch early

EPSS 19.8% — above the 10% action threshold.

Description

A vulnerability in the authentication functionality of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to bypass authentication controls and log in to the device through the management interface This vulnerability is due to the improper implementation of the password validation algorithm. An attacker could exploit this vulnerability by logging in to an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and log in to the device as an administrator. The attacker could obtain privileges that are the same level as an administrative user but it depends on the crafted credentials. Note: This vulnerability exists because of a non-default device configuration that must be present for it to be exploitable. For details about the vulnerable configuration, see the Vulnerable Products section of this advisory.

Scoring

CVSS10.0 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS19.77% — more likely to be exploited than 97% of all CVEs
WeaknessCWE-303
On CISA KEVno
Public exploitnone known
Published2022-04-15
Last modified2026-06-17

Affected (34)

VendorProduct
cisco3504 wireless controller
cisco5520 wireless controller
cisco8540 wireless controller
ciscoaironet 1540
ciscoaironet 1542d
ciscoaironet 1542i
ciscoaironet 1560
ciscoaironet 1562d
ciscoaironet 1562e
ciscoaironet 1562i
ciscoaironet 1815
ciscoaironet 1815i
ciscoaironet 1815m
ciscoaironet 1815t
ciscoaironet 1815w
ciscoaironet 1830
ciscoaironet 1830e
ciscoaironet 1830i
ciscoaironet 1832
ciscoaironet 1850
ciscoaironet 1850e
ciscoaironet 1850i
ciscoaironet 1852
ciscoaironet 2800
ciscoaironet 2800e
ciscoaironet 2800i
ciscoaironet 3800
ciscoaironet 3800e
ciscoaironet 3800i
ciscoaironet 3800p
ciscoaironet 4800
ciscovirtual wireless controller
ciscowireless lan controller 8.10.151.0
ciscowireless lan controller 8.10.162.0

References

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