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CVE-2023-31465

59
FAUCET Score

CVE-2023-31465 is a critical remote code execution (RCE) vulnerability affecting FSMLabs TimeKeeper versions 8.0.17 through 8.0.28. An unauthenticated attacker can inject Bash code into the 'arg[2]' parameter of the 'getsamplebacklog' call, leading to arbitrary command execution on the server. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, allowing for complete compromise of confidentiality, integrity, and availability. While not yet observed in active exploitation, a Nuclei template for this RCE exists, indicating readily available exploit code, though there is currently minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.0.17, <= 8.0.28CPE matchmatch criteria
cpe:2.3:a:fsmlabs:timekeeper:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
44.45%
Probability of exploitation in next 30 days
EPSS Percentile
98.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-31465 · Oct 9, 2023
This CVE's current EPSS score of 0.4446 is in the 96th percentile among its peer group of 36,835 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

fsmlabs.com / fsmlabs-cybersecurity
Product
github.com / CapgeminiCisRedTeam/Disclosure/blob/main/CVE%20PoC/CVE-2023-31465.md
ExploitThird Party Advisory