Is CVE-2022-29217 in the CISA KEV catalog?

No. CVE-2022-29217 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-29217?

CVE-2022-29217 has a CVSS v3 base score of 7.4 (HIGH).

What is the EPSS score for CVE-2022-29217?

CVE-2022-29217 has an EPSS score of 1.20% (64th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-29217?

Upgrade pyjwt on debian 12 to 2.4.0-1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2022-29217

HIGH

7.4

CVSS v3

NVD

Description

PyJWT is a Python implementation of RFC 7519. PyJWT supports multiple different JWT signing algorithms. With JWT, an attacker submitting the JWT token can choose the used signing algorithm. The PyJWT library requires that the application chooses what algorithms are supported. The application can specify `jwt.algorithms.get_default_algorithms()` to get support for all algorithms, or specify a single algorithm. The issue is not that big as `algorithms=jwt.algorithms.get_default_algorithms()` has to be used. Users should upgrade to v2.4.0 to receive a patch for this issue. As a workaround, always be explicit with the algorithms that are accepted and expected when decoding.

CWE-327

How to fix

Remediation Available

pyjwtDebian

Fixed in:2.4.0-1CVE-2022-29217

pyjwtUbuntu

Fixed in:1.5.3+ds1-1ubuntu0.1USN-5526-1

Fixed in:1.7.1-2ubuntu2.1USN-5526-1

Fixed in:2.3.0-1ubuntu0.1USN-5526-1

python-jwtUbuntu

Fixed in:1.5.3+ds1-1ubuntu0.1USN-5526-1

python3-jwtUbuntu

Fixed in:1.5.3+ds1-1ubuntu0.1USN-5526-1

Fixed in:1.7.1-2ubuntu2.1USN-5526-1

Fixed in:2.3.0-1ubuntu0.1USN-5526-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

1.20%probability of exploitation in 30 days

64thpercentile

Moderate risk: more likely to be exploited than 64% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory2

Other references3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.