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CVE-2023-33831

46
FAUCET Score

CVE-2023-33831 is a critical remote command execution (RCE) vulnerability affecting FUXA version 1.1.13. It allows unauthenticated attackers to execute arbitrary commands by sending a crafted POST request to the /api/runscript endpoint. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, a Nuclei template exists for detection, and its high EPSS score suggests a significant likelihood of future exploitation. There is currently no evidence of active exploitation or widespread community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.13CPE matchmatch criteria
cpe:2.3:a:frangoteam:fuxa:1.1.13:*:*:*:*:*:*:*

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
13.75%
Probability of exploitation in next 30 days
EPSS Percentile
96.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2023-33831 · Oct 2, 2023
This CVE's current EPSS score of 0.1375 is in the 92nd percentile among its peer group of 36,897 CVEs.

Social Chatter

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

Vendor Advisories (1)

npmGHSA-r87q-fq37-pvr6critical

A remote command execution (RCE) vulnerability in the /api/runscript endpoint of FUXA

Sep 18, 2023

References

github.com / rodolfomarianocy/Unauthenticated-RCE-FUXA-CVE-2023-33831
ExploitThird Party Advisory
youtu.be / Xxa6yRB2Fpw
Exploit