CVE-2021-34543

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-306

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharingExploit, Third Party Advisory
https://www.exploit-db.com/exploits/49986Exploit, Third Party Advisory, VDB Entry
https://www.solar-log.com/en/support/firmware/Product, Release Notes, Vendor Advisory
https://drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharingExploit, Third Party Advisory
https://www.exploit-db.com/exploits/49986Exploit, Third Party Advisory, VDB Entry
https://www.solar-log.com/en/support/firmware/Product, Release Notes, Vendor Advisory

Timeline

Published: Dec 7, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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