How severe is CVE-2024-46242?

CVE-2024-46242 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-2024-46242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-46242?

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-2024-46242 have an EU (EUVD) identifier?

Yes. CVE-2024-46242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42190.

When was CVE-2024-46242 published?

CVE-2024-46242 was published on 2025-01-07 and last updated on 2026-07-05.

CVE-2024-46242

CVE-2024-46242 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% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-42190
Weakness: CWE-1333
Published: 2025-01-07
Last modified: 2026-07-05

Description

An issue in the validate_email function in CTFd/utils/validators/__init__.py of CTFd 3.7.3 allows attackers to cause a Regular expression Denial of Service (ReDoS) via supplying a crafted string as e-mail address during registration.

Frequently asked questions

What is CVE-2024-46242?: An issue in the validate_email function in CTFd/utils/validators/__init__.py of CTFd 3.7.3 allows attackers to cause a Regular expression Denial of Service (ReDoS) via supplying a crafted string as e-mail address during registration.
How severe is CVE-2024-46242?: CVE-2024-46242 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-2024-46242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-46242?: 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-2024-46242 have an EU (EUVD) identifier?: Yes. CVE-2024-46242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42190.
When was CVE-2024-46242 published?: CVE-2024-46242 was published on 2025-01-07 and last updated on 2026-07-05.

References

https://gist.github.com/salvatore-abello/4f01f3fa54672febc0a492a11a26592c

EU advisories (EUVD)

http://ctfd.com

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