CVE-2020-15568Tos Vulnerability
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root.
Published Jan 30, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-15568 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Tos (Terra-Master).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 11, 2021. No public exploit code is known.
- EPSS estimates a 29% probability of exploitation in the next 30 days.
- Fixed versions are available, including Tos 4.1.29.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
29%
Higher than 98.1% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
50/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 11, 2021
254 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
11
Reports of active use
Advisories And Exploit References
Description
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root. This is a dynamic class method invocation vulnerability in include/exportUser.php, in which an attacker can trigger a call to the exec method with (for example) OS commands in the opt parameter.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 11, 2021 | n/a | Not reported |
| Industry KEV feed | Oct 11, 2021 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TosTerra-Master | See advisory | 4.1.29 |
Patched Releases
Tos
4.1.29
Timeline
Publicly disclosed
Jan 30, 2021
Added to CIRCL KEV
Oct 11, 2021
Added to Industry KEV feed
Oct 11, 2021
Last updated
Nov 21, 2024
Weakness Type
- CWE-913 Improper Control of Dynamically-Managed Code Resources
References
- advisoryhelp.terra-master.com · TOS
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
TerraMaster TOS before 4.1.29 has Invalid Parameter Checking that leads to code injection as root.
Affected: Tos (Terra-Master). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 11, 2021.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Tos 4.1.29.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2020-15568 On Your Attack Surface?
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