Skip to content
Fencer Vulns
medium 4.7

CVE-2023-20003 json

Cisco Business Wireless Access Points Social Login Guest User Authentication Bypass Vulnerability

published 2023-05-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24182

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

A vulnerability in the social login configuration option for the guest users of Cisco Business Wireless Access Points (APs) could allow an unauthenticated, adjacent attacker to bypass social login authentication. This vulnerability is due to a logic error with the social login implementation. An attacker could exploit this vulnerability by attempting to authenticate to an affected device. A successful exploit could allow the attacker to access the Guest Portal without authentication.

Patch / fix

  • cisco business_140ac_access_point_firmware 10.8.1.0
  • cisco business_141acm_firmware 10.8.1.0
  • cisco business_142acm_firmware 10.8.1.0
  • cisco business_143acm_firmware 10.8.1.0
  • cisco business_145ac_access_point_firmware 10.8.1.0
  • cisco business_240ac_access_point_firmware 10.8.1.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Cisco Cisco Business Wireless Access Point Software

Classification

Weakness
  • CWE-288 Authentication Bypass Using an Alternate Path or Channel
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.