CVE-2021-34543

Published: Dec 7, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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 (2)

Products: Bkw: Solar Log 500 Firmware

1 product

Solar Log 500 Firmware

Configuration A

2 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Bkw Solar Log 500 Firmware	Up to 2.8.1
Bkw Solar Log 500 Firmware	Version 2.8.2 build_50

Running on/with	Platform Versions
Bkw Solar Log 500	All versions

Related CWEs

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (6)

https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharing

Source: cve@mitre.org

ExploitThird Party Advisory

https://www.exploit-db.com/exploits/49986

Source: cve@mitre.org

ExploitThird Party AdvisoryVDB Entry

https://www.solar-log.com/en/support/firmware/

Source: cve@mitre.org

ProductRelease NotesVendor Advisory

https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharing

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.exploit-db.com/exploits/49986

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party AdvisoryVDB Entry

https://www.solar-log.com/en/support/firmware/

Source: af854a3a-2127-422b-91ae-364da2661108

ProductRelease NotesVendor Advisory

Timeline

No history available yet.