How severe is CVE-2024-21528?

CVE-2024-21528 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-21528 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-2024-21528?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-21528 have an EU (EUVD) identifier?

Yes. CVE-2024-21528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2797.

When was CVE-2024-21528 published?

CVE-2024-21528 was published on 2024-09-10 and last updated on 2026-06-17.

CVE-2024-21528

CVE-2024-21528 is a medium-severity vulnerability with a CVSS 3.x base score of 5.9. 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-1321.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2797
Weakness: CWE-1321
Published: 2024-09-10
Last modified: 2026-06-17

Description

All versions of the package node-gettext are vulnerable to Prototype Pollution via the addTranslations() function in gettext.js due to improper user input sanitization.

Frequently asked questions

What is CVE-2024-21528?: All versions of the package node-gettext are vulnerable to Prototype Pollution via the addTranslations() function in gettext.js due to improper user input sanitization.
How severe is CVE-2024-21528?: CVE-2024-21528 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-21528 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-2024-21528?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21528 have an EU (EUVD) identifier?: Yes. CVE-2024-21528 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2797.
When was CVE-2024-21528 published?: CVE-2024-21528 was published on 2024-09-10 and last updated on 2026-06-17.

References

Other CWE-1321 (Prototype Pollution) vulnerabilities

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