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CVE-2023-20218

MEDIUMCVSS 6.1/10EPSS 0.37%

Last modified

CVE-2023-20218 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in web-based management interface of Cisco SPA500 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to to modify a web page in the context of a user's browser. 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. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

A vulnerability in web-based management interface of Cisco SPA500 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to to modify a web page in the context of a user's browser. 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 alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks. Cisco will not release software updates that address this vulnerability. {{value}} ["%7b%7bvalue%7d%7d"])}]]

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
0.37%

28.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoSpa500ds FirmwareAll versions
CiscoSpa500s FirmwareAll versions
CiscoSpa501g FirmwareAll versions
CiscoSpa502g FirmwareAll versions
CiscoSpa504g FirmwareAll versions
CiscoSpa508g FirmwareAll versions
CiscoSpa509g FirmwareAll versions
CiscoSpa512g FirmwareAll versions
CiscoSpa514g FirmwareAll versions
CiscoSpa525 FirmwareAll versions
CiscoSpa525g FirmwareAll versions
CiscoSpa525g2 FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20218?
A vulnerability in web-based management interface of Cisco SPA500 Series Analog Telephone Adapters (ATAs) could allow an authenticated, remote attacker to to modify a web page in the context of a user's browser. 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 alter the contents of a web page to redirect the user to potentially malicious websites, or the attacker could use this vulnerability to conduct further client-side attacks. Cisco will not release software updates that address this vulnerability. {{value}} ["%7b%7bvalue%7d%7d"])}]]
How severe is CVE-2023-20218?
CVE-2023-20218 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20218?
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-2023-20218?

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

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Source: NVD / NIST