How severe is CVE-2023-20003?

CVE-2023-20003 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-20003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20003?

CVE-2023-20003 primarily affects Cisco Business 140ac Access Point Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-20003 published?

CVE-2023-20003 was published on 2023-05-18 and last updated on 2026-06-17.

CVE-2023-20003

CVE-2023-20003 is a medium-severity vulnerability in Cisco Business 140ac Access Point Firmware with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Cisco Business 140ac Access Point Firmware
Published: 2023-05-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-20003?: 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.
How severe is CVE-2023-20003?: CVE-2023-20003 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-20003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20003?: CVE-2023-20003 primarily affects Cisco Business 140ac Access Point Firmware. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20003 published?: CVE-2023-20003 was published on 2023-05-18 and last updated on 2026-06-17.

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbw-auth-bypass-ggnAfdZ

Affected products (8)

cpe:2.3:o:cisco:business_140ac_access_point_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_141acm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_142acm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_143acm_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_151axm_firmware:10.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_145ac_access_point_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_150ax_access_point_firmware:10.4.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:business_240ac_access_point_firmware:*:*:*:*:*:*:*:*

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