CVE-2021-34543

HIGH
7.5
CVSS Score
Published: December 7, 2021 at 08:39 PM UTC
Updated: June 17, 2026 at 03:56 AM UTC
2 products affected across 1 vendorSolar Log 500 FirmwareSolar-Log 500

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Severity
HIGH7.5
Exploit prediction
EPSS 3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2.8.12.8.2 build_50
bkw-solar-log-500 (same device)
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-306

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