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CVE-2021-20120

HIGHCVSS 8.8/10EPSS 0.54%

Last modified

CVE-2021-20120 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means that an attacker could make configuration changes (such as changing the administrative password) without the consent of the user.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means that an attacker could make configuration changes (such as changing the administrative password) without the consent of the user.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.54%

41.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CommscopeArris Surfboard Sb8200 Firmwareab01.02.053.01_112320_193.0a.nsh

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-20120?
The administration web interface for the Arris Surfboard SB8200 lacks any protections against cross-site request forgery attacks. This means that an attacker could make configuration changes (such as changing the administrative password) without the consent of the user.
How severe is CVE-2021-20120?
CVE-2021-20120 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20120?
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-2021-20120?

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

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Source: NVD / NIST