SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-31465

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.

CRITICAL 9.8EPSS 46.3%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 46.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
46.30% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
fsmlabs/timekeeper
Source
cve@mitre.org
EPSS trend
0%25%50%3 November 2026: 46.30%3 November 20263 November 2026

EPSS 46.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.