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ExploitedNot in CISA KEV yet

CVE-2023-33831

Exploitation confirmed. First attested on 2023-10-14 by GCVE · kevintel, GCVE · shadowserver.

  • Published2023-09-18
  • WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A remote command execution (RCE) vulnerability in the /api/runscript endpoint of FUXA 1.1.13 allows attackers to execute arbitrary commands via a crafted POST request.

Timeline

dates in UTC
  1. 2023-09-1820:15CVE publishedNVD
  2. 2023-10-1414:57Listed as exploited by GCVEGCVE
  3. 2023-10-1414:57Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-33831?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-33831?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV · NVD
@frangoteam/fuxa
BranchAffectedFixed in
1.1≤ 1.1.13no fix published
Frangoteam fuxa
BranchAffectedFixed in
1.1= 1.1.13no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
2 repositories, unverifiedrodolfomarianocy/Unauthenticated-RCE-FUXA-CVE-2023-33831btar1gan/exploit_CVE-2023-33831
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-09-18
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-r87q-fq37-pvr6

Frequently asked questions

What is CVE-2023-33831?

A remote command execution (RCE) vulnerability in the /api/runscript endpoint of FUXA 1.1.13 allows attackers to execute arbitrary commands via a crafted POST request.

Is CVE-2023-33831 actively exploited?

A proof-of-concept exploit exists for CVE-2023-33831, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2023-33831?

CVE-2023-33831 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record