Changing|TSA - Missing Authentication
Priority MEDIUM 41CWE-306Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
TSA developed by Changing has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to read, modify, and delete database contents.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00519 44th percentileScored 2026-11-07
Fix Fixed TSA (Changing): 2025/2/6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA TSA (Changing) Fixed in 2025/2/6
Timeline
- 2026-10-02 Threatist record created from CVE-2025-8861
- 2026-10-03 Alias added: GHSA-2cxp-v97j-pp8f
References
More CHANGING vulnerabilities
- TI-2022-18452 ChangingTec MegaServiSignAdapter - Improper Input Validation CVSS 3.1CRITICAL 9.8
- TI-2022-18448 Changing Information Technology Inc. RAVA certificate validation system - SQL Injection CVSS 3.1CRITICAL 9.8
- TI-2026-02589 Changing|IDExpert Windows Logon Agent - Remote Code Execution CVSS 4.0CRITICAL 9.3
- TI-2026-02588 Changing|IDExpert Windows Logon Agent - Remote Code Execution CVSS 4.0CRITICAL 9.3
- TI-2021-15669 CHANGING Inc. TSSServiSignAdapter Windows Versions - Improper Input Validation CVSS 3.1CRITICAL 9.8
- TI-2020-15835 CHANGING Inc. NHIServiSignAdapter Windows Versions - Stack Overflow CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-8861 · CVE Program
- CVE-2025-8861 · NVD
- FIRST EPSS
- GHSA-2cxp-v97j-pp8f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences