How severe is CVE-2023-33831?

CVE-2023-33831 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33831?

CVE-2023-33831 affects Frangoteam Fuxa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33831?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-33831 published?

CVE-2023-33831 was published on 2023-09-18 and last updated on 2026-06-17.

CVE-2023-33831

CVE-2023-33831 is a critical-severity vulnerability in Frangoteam Fuxa with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 14% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Frangoteam Fuxa
Published: 2023-09-18
Last modified: 2026-06-17

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.

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.
How severe is CVE-2023-33831?: CVE-2023-33831 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33831?: CVE-2023-33831 affects Frangoteam Fuxa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33831?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-33831 published?: CVE-2023-33831 was published on 2023-09-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:frangoteam:fuxa:1.1.13:*:*:*:*:*:*:*

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