How severe is CVE-2024-53899?

CVE-2024-53899 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-53899 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-53899?

CVE-2024-53899 affects Virtualenv. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-53899?

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-2024-53899 have an EU (EUVD) identifier?

Yes. CVE-2024-53899 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0172.

When was CVE-2024-53899 published?

CVE-2024-53899 was published on 2024-11-24 and last updated on 2026-06-17.

CVE-2024-53899

CVE-2024-53899 is a high-severity vulnerability in Virtualenv with a CVSS 3.x base score of 7.8. 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-77.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0172
Weakness: CWE-77
Affected product: Virtualenv
Published: 2024-11-24
Last modified: 2026-06-17

Description

virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. NOTE: this is not the same as CVE-2024-9287.

Frequently asked questions

What is CVE-2024-53899?: virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. NOTE: this is not the same as CVE-2024-9287.
How severe is CVE-2024-53899?: CVE-2024-53899 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-53899 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-53899?: CVE-2024-53899 affects Virtualenv. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-53899?: 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-2024-53899 have an EU (EUVD) identifier?: Yes. CVE-2024-53899 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0172.
When was CVE-2024-53899 published?: CVE-2024-53899 was published on 2024-11-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:virtualenv:virtualenv:*:*:*:*:*:*:*:*

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