How severe is CVE-2024-33664?

CVE-2024-33664 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2024-33664 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-33664?

CVE-2024-33664 affects Python-jose Project Python-jose. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-33664?

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

Does CVE-2024-33664 have an EU (EUVD) identifier?

Yes. CVE-2024-33664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1187.

When was CVE-2024-33664 published?

CVE-2024-33664 was published on 2024-04-26 and last updated on 2026-06-17.

CVE-2024-33664

CVE-2024-33664 is a medium-severity vulnerability in Python-jose Project Python-jose with a CVSS 3.x base score of 5.3. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1187
Weakness: CWE-400
Affected product: Python-jose Project Python-jose
Published: 2024-04-26
Last modified: 2026-06-17

Description

python-jose through 3.3.0 allows attackers to cause a denial of service (resource consumption) during a decode via a crafted JSON Web Encryption (JWE) token with a high compression ratio, aka a "JWT bomb." This is similar to CVE-2024-21319.

Frequently asked questions

What is CVE-2024-33664?: python-jose through 3.3.0 allows attackers to cause a denial of service (resource consumption) during a decode via a crafted JSON Web Encryption (JWE) token with a high compression ratio, aka a "JWT bomb." This is similar to CVE-2024-21319.
How severe is CVE-2024-33664?: CVE-2024-33664 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2024-33664 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-33664?: CVE-2024-33664 affects Python-jose Project Python-jose. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-33664?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-33664 have an EU (EUVD) identifier?: Yes. CVE-2024-33664 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1187.
When was CVE-2024-33664 published?: CVE-2024-33664 was published on 2024-04-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:python-jose_project:python-jose:*:*:*:*:*:*:*:*

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