CVE-2024-39249
CVE-2024-39249 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-1333.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (53rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-37879
- Weakness: CWE-1333
- Published:
- Last modified:
Description
Async <= 2.6.4 and <= 3.2.5 are vulnerable to ReDoS (Regular Expression Denial of Service) while parsing function in autoinject function. NOTE: this is disputed by the supplier because there is no realistic threat model: regular expressions are not used with untrusted input.
Frequently asked questions
- What is CVE-2024-39249?
- Async <= 2.6.4 and <= 3.2.5 are vulnerable to ReDoS (Regular Expression Denial of Service) while parsing function in autoinject function. NOTE: this is disputed by the supplier because there is no realistic threat model: regular expressions are not used with untrusted input.
- How severe is CVE-2024-39249?
- CVE-2024-39249 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-39249 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-39249?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2024-39249 have an EU (EUVD) identifier?
- Yes. CVE-2024-39249 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37879.
- When was CVE-2024-39249 published?
- CVE-2024-39249 was published on 2024-07-01 and last updated on 2026-06-17.
References
- https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L41
- https://github.com/caolan/async/blob/v3.2.5/lib/autoInject.js#L6
- https://github.com/caolan/async/issues/1975#issuecomment-2204528153
- https://github.com/zunak/CVE-2024-39249
- https://github.com/zunak/CVE-2024-39249/issues/1
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