Lack of an anti-CSRF token in the entire administrative interface in EPSON EPS TSE Server…
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
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.
Why it matters now
EPSS 0.00511 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:epson:eps_tse_server_8_firmware:21.0.11:*:*:*:*:*:*:* | 21.0.11 | Vulnerable | SEIKO EPSON CORPORATION |
| cpe:2.3:h:epson:eps_tse_server_8:-:*:*:*:*:*:*:* | not specified by NVD | Running on | SEIKO EPSON CORPORATION |
- cpe:2.3:o:epson:eps_tse_server_8_firmware:21.0.11:*:*:*:*:*:*:* Versions 21.0.11 Vulnerable ·SEIKO EPSON CORPORATION
- cpe:2.3:h:epson:eps_tse_server_8:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·SEIKO EPSON CORPORATION
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28931
- 2026-10-03 Alias added: GHSA-pcmg-wjrm-9r44
References
More SEIKO EPSON CORPORATION Eps Tse Server 8 Firmware vulnerabilities
- TI-2020-17461 Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8… CVSS 3.1CRITICAL 9.8
- TI-2020-17462 A Cross-Site Scripting (XSS) issue in the 'update user' and 'delete user' functionalities… CVSS 3.1MEDIUM 5.4
Sources
- CVE-2020-28931 · CVE Program
- CVE-2020-28931 · NVD
- FIRST EPSS
- GHSA-pcmg-wjrm-9r44 · GitHub Advisory Database · CC BY 4.0
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