CVE-2023-20181

Name: CVE-2023-20181
Creator: NVD / NIST
Published: 2023-08-03T22:15:10.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.43%

Last modified Jun 17, 2026

CVE-2023-20181 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in the web-based management interface of Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote attacker to conduct XSS attacks. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

Description

A vulnerability in the web-based management interface of Cisco Small Business SPA500 Series IP Phones could allow an unauthenticated, remote attacker to conduct XSS attacks. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.43%

34.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cisco	Spa500ds Firmware	All versions
Cisco	Spa500s Firmware	All versions
Cisco	Spa501g Firmware	All versions
Cisco	Spa502g Firmware	All versions
Cisco	Spa504g Firmware	All versions
Cisco	Spa508g Firmware	All versions
Cisco	Spa509g Firmware	All versions
Cisco	Spa512g Firmware	All versions
Cisco	Spa514g Firmware	All versions
Cisco	Spa525 Firmware	All versions
Cisco	Spa525g Firmware	All versions
Cisco	Spa525g2 Firmware	All versions

References

Timeline

Published: Aug 3, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-20181?

How severe is CVE-2023-20181?

CVE-2023-20181 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2023-20181?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20181?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST