CVE-2021-34543

high

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.

References

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

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

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

Details

Source: Mitre, NVD

Published: 2021-12-07

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.0119