MEDIUM
CVE-2024-33664
CWE-400Published: April 26, 2024· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2024-33664 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Vendors & Products
python-jose_project1 product(s)
python-jose
Source: NVD CPE · 1 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
https://github.com/mpdavis/python-jose/issues/344Exploit · Issue Tracking · Mitigation · Vendor Advisory
→
https://github.com/mpdavis/python-jose/pull/345Issue Tracking · Patch
→
https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664Exploit · Mitigation · Third Party Advisory
→
https://github.com/mpdavis/python-jose/issues/344Exploit · Issue Tracking · Mitigation · Vendor Advisory
→
https://github.com/mpdavis/python-jose/pull/345Issue Tracking · Patch
→
https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664Exploit · Mitigation · Third Party Advisory
Quick Facts
CVE IDCVE-2024-33664
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-400
CISA KEVNo
Affected1 vendor(s)
PublishedApr 26, 2024
Related CVEs (CWE-400)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-33664 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.