CVE-2023-31465Timekeeper Vulnerability
By intercepting requests from various timekeeper streams, it is possible to find the getsamplebacklog call.
Published Jul 26, 2023 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2023-31465 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Timekeeper (Fsmlabs).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Nov 15, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 46% probability of exploitation in the next 30 days.
- Fixed versions are available, including Timekeeper <=8.0.28, Timekeeper 8.0.28.
- 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)
46%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
40/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Nov 15, 2023
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Description
An issue was discovered in FSMLabs TimeKeeper 8.0.17 through 8.0.28. By intercepting requests from various timekeeper streams, it is possible to find the getsamplebacklog call. Some query parameters are passed directly in the URL and named arg[x], with x an integer starting from 1; it is possible to modify arg[2] to insert Bash code that will be executed directly by the server.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Nov 15, 2023 | n/a | Not reported |
| Industry KEV feed | Nov 15, 2023 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| TimekeeperFsmlabs | See advisory | 8.0.28 |
Patched Releases
Timekeeper
<=8.0.28
Timeline
Publicly disclosed
Jul 26, 2023
Added to CIRCL KEV
Nov 15, 2023
Added to Industry KEV feed
Nov 15, 2023
Last updated
Nov 21, 2024
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
An issue was discovered in FSMLabs TimeKeeper 8.0.17 through 8.0.28.
Affected: Timekeeper (Fsmlabs). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Nov 15, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
Fixed versions are available, including Timekeeper <=8.0.28, Timekeeper 8.0.28.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-31465 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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