CVE-2023-33831Fuxa Command Injection
A remote command execution (RCE) vulnerability in the /api/runscript endpoint of FUXA
Published Sep 18, 2023 · Updated Oct 20, 2026 · Also known as GHSA-r87q-fq37-pvr6
Key Facts
Patch immediately- CVE-2023-33831 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Fuxa (Frangoteam), @frangoteam/fuxa (npm).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 26% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- 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)
26%
Higher than 97.9% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
54/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 14, 2023
26 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Advisories And Exploit References
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
| Industry KEV feed | Oct 14, 2023 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FuxaFrangoteam | 1.1.13 | n/a |
| @frangoteam/fuxanpm | See advisory | n/a |
Timeline
Publicly disclosed
Sep 18, 2023
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Oct 14, 2023
Last updated
Oct 20, 2026
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
- CWE-94 Improper Control of Generation of Code ('Code Injection')
References
- advisorycve.org · CVERecord
- advisorynvd.nist.gov · CVE-2023-33831
- advisoryGHSA advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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.
Affected: Fuxa (Frangoteam) versions 1.1.13; @frangoteam/fuxa (npm). The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 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.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-33831 On Your Attack Surface?
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