The web administration server in Solar-Log 500 before 2.8.2 Build 52 does not require…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
The web administration server in Solar-Log 500 before 2.8.2 Build 52 does not require authentication, which allows remote attackers to gain administrative privileges by connecting to the server. As a result, the attacker can modify configuration files and change the system status. Fixed with 3.0.0-60 11.10.2013 for SL 200, 500, 1000 / not existing for SL 250, 300, 1200, 2000, SL 50 Gateway, SL Base.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-34543
- 2026-10-03 Alias added: GHSA-fc22-jfw7-2qhg
References
More Bkw Solar-log 500 Firmware vulnerabilities
- TI-2021-13564 An issue was discovered in Solar-Log 500 before 2.8.2 Build 52 23.04.2013. CVSS 3.1MEDIUM 6.5
Sources
- CVE-2021-34543 · CVE Program
- CVE-2021-34543 · NVD
- FIRST EPSS
- GHSA-fc22-jfw7-2qhg · GitHub Advisory Database · CC BY 4.0
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