How severe is CVE-2024-21577?

CVE-2024-21577 has a CVSS 3.x base score of 10.0, 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-2024-21577 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21577?

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.

Does CVE-2024-21577 have an EU (EUVD) identifier?

Yes. CVE-2024-21577 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19226.

When was CVE-2024-21577 published?

CVE-2024-21577 was published on 2024-12-13 and last updated on 2026-06-17.

CVE-2024-21577

CVE-2024-21577 is a critical-severity vulnerability with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
CVSS v4: 10.0
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19226
Weakness: CWE-94
Published: 2024-12-13
Last modified: 2026-06-17

Description

ComfyUI-Ace-Nodes is vulnerable to Code Injection. The ACE_ExpressionEval node contains an eval() in its entrypoint function that accepts arbitrary user-controlled data. A user can create a workflow that results in executing arbitrary code on the server.

Frequently asked questions

What is CVE-2024-21577?: ComfyUI-Ace-Nodes is vulnerable to Code Injection. The ACE_ExpressionEval node contains an eval() in its entrypoint function that accepts arbitrary user-controlled data. A user can create a workflow that results in executing arbitrary code on the server.
How severe is CVE-2024-21577?: CVE-2024-21577 has a CVSS 3.x base score of 10.0, 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-2024-21577 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-21577?: 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.
Does CVE-2024-21577 have an EU (EUVD) identifier?: Yes. CVE-2024-21577 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19226.
When was CVE-2024-21577 published?: CVE-2024-21577 was published on 2024-12-13 and last updated on 2026-06-17.

References

https://github.com/hay86/ComfyUI_AceNodes/blob/5ba01db8a3b7afb8e4aecfaa48823ddeb132bbbb/nodes.py#L1193

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