CVE-2020-28931

Name: CVE-2020-28931
Creator: NVD / NIST
Published: 2020-12-16T21:15:13+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.50%

Last modified Jun 17, 2026

CVE-2020-28931 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Lack of an anti-CSRF token in the entire administrative interface in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to force an administrator to execute external POST requests by visiting a malicious website.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

Lack of an anti-CSRF token in the entire administrative interface in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to force an administrator to execute external POST requests by visiting a malicious website.

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

0.50%

39.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Epson	Eps Tse Server 8 Firmware	21.0.11

References

https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-3Exploit, Third Party Advisory
https://blog.bssi.fr/multiple-vulnerabilities-within-epson-eps-tse-server-8/#vulnerability-3Exploit, Third Party Advisory

Timeline

Published: Dec 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28931?

How severe is CVE-2020-28931?

CVE-2020-28931 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28931?

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-2020-28931?

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

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Source: NVD / NIST