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CVE-2022-24990

97
FAUCET Score

CVE-2022-24990 is a critical information disclosure vulnerability affecting TerraMaster NAS devices running TOS 4.2.29 and earlier, allowing unauthenticated remote attackers to retrieve the administrative password. This vulnerability has a high CVSS score of 7.5 due to its network-based attack vector, low complexity, and complete confidentiality impact. It is actively exploited in the wild, notably by North Korean ransomware campaigns, and has publicly available exploit modules and significant community discussion, underscoring its severe risk.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.2.31CPE matchmatch criteria
cpe:2.3:o:terra-master:terramaster_operating_system:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
83.55%
Probability of exploitation in next 30 days
EPSS Percentile
99.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Feb 10, 2023
Metasploit: TerraMaster TOS 4.2.29 or lower - Unauthenticated RCE chaining CVE-2022-24990 and CVE-2022-24989 · Mar 7, 2022
Nuclei: CVE-2022-24990 · Mar 8, 2022
This CVE's current EPSS score of 0.8355 is in the 100th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
packetstormsecurity.com / files/172904/TerraMaster-TOS-4.2.29-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
forum.terra-master.com / en/viewforum.php
Issue TrackingRelease Notes
github.com / 0xf4n9x/CVE-2022-24990
ExploitThird Party Advisory
octagon.net / blog/2022/03/07/cve-2022-24990-terrmaster-tos-unauthenticated-remote-command-execution-via-php-object-instantiation
ExploitThird Party Advisory
broadcom.com / support/security-center/attacksignatures/detail
Third Party Advisory