CVE-2020-28929
CVE-2020-28929 is a critical-severity vulnerability in Epson Eps Tse Server 8 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-306
- Affected product: Epson Eps Tse Server 8 Firmware
- Published:
- Last modified:
Description
Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI.
Frequently asked questions
- What is CVE-2020-28929?
- Unrestricted access to the log downloader functionality in EPSON EPS TSE Server 8 (21.0.11) allows an unauthenticated attacker to remotely retrieve administrative hashed credentials via the maintenance/troubleshoot.php?download=1 URI.
- How severe is CVE-2020-28929?
- CVE-2020-28929 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-28929 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-28929?
- CVE-2020-28929 affects Epson Eps Tse Server 8 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-28929?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2020-28929 published?
- CVE-2020-28929 was published on 2020-12-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:epson:eps_tse_server_8_firmware:21.0.11:*:*:*:*:*:*:*
More vulnerabilities in Epson Eps Tse Server 8 Firmware
- CVE-2020-28931 — High (CVSS 8.8): Lack of an anti-CSRF token in the entire administrative interface in EPSON EPS TSE Server 8 (21.0.11) allows an…
- CVE-2020-28930 — Medium (CVSS 5.4): A Cross-Site Scripting (XSS) issue in the 'update user' and 'delete user' functionalities in settings/users.php in…
All CVEs affecting Epson Eps Tse Server 8 Firmware →
Other CWE-306 (Missing Authentication for Critical Function) vulnerabilities
- CVE-2026-54309 — Critical (CVSS 10.0): n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, when @n8n/mcp-browser is run in HTTP…
- CVE-2026-50242 — Critical (CVSS 10.0): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
- CVE-2026-49257 — Critical (CVSS 10.0): mcp-pinot is a Python-based Model Context Protocol (MCP) server for interacting with Apache Pinot. In versions 3.0.1…
- CVE-2026-46846 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46803 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Portal product of Oracle Fusion Middleware (component: Security Framework).…
- CVE-2026-46800 — Critical (CVSS 10.0): Vulnerability in the Oracle WebCenter Sites product of Oracle Fusion Middleware (component: WebCenter Sites).…
Browse all CWE-306 (Missing Authentication for Critical Function) vulnerabilities →