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No exploitation reported

CVE-2021-45836

No exploitation reported by the sources we read.

  • Published2022-04-25

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.

Timeline

dates in UTC
  1. 2022-04-2511:15CVE publishedNVD

Versions per branch

NVD
Terra-master tosversion to verify
BranchAffectedFixed in
4.2= 4.2.15-2107141517no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-04-25
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-g2h5-m8r4-v3h9

Frequently asked questions

What is CVE-2021-45836?

An authenticated attacker can execute arbitrary commands as root in Terramaster F4-210, F2-210 TOS 4.2.X (4.2.15-2107141517) by injecting a maliciously crafted input in the request through /tos/index.php?app/hand_app.

Is CVE-2021-45836 actively exploited?

Active exploitation of CVE-2021-45836 has not been confirmed. Its EPSS score was 2.5% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45836?

CVE-2021-45836 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

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