Auth bypass in Terra-master F2-210
CVE-2021-45841
In Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517), an attacker can self-sign session cookies by knowing the target's MAC address and the user's password hash. Guest users (disabled by default) can be abused using a null/empty has…
Vulnerability class: Broken Authentication
EPSS: 0.083 (94.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Terra-master F2-210
- Terra-master F4-210
- Terra-master Tos — versions 4.2.15-2107141517
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2021-45841?
- CVE-2021-45841 is a high-severity vulnerability in Terra-master F2-210, classified under Improper Authentication. CVSS score: 8.1/10. Published 2022-04-25.
- How severe is CVE-2021-45841?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-45841 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.