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Vulnerability record · CVE-2023-52428 · published 11 February 2024

CVE-2023-52428: Connect2id nimbus jose\+jwt allocation without limits vulnerability

Connect2id · Nimbus Jose\+Jwt

In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.

7.5 CVSS 3.1 High EPSS 0.81% · top 43.9% CWE-770 · Allocation without limits
7.5CVSS 3.1 base score
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

In Connect2id Nimbus JOSE+JWT before 9.37.2, an attacker can cause a denial of service (resource consumption) via a large JWE p2c header value (aka iteration count) for the PasswordBasedDecrypter (PBKDF2) component.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/3b3b77e Patch
https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526/ Issue Tracking
https://connect2id.com/products/nimbus-jose-jwt Product
https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/3b3b77e Patch
https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/526/ Issue Tracking
https://connect2id.com/products/nimbus-jose-jwt Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-17195Connect2id nimbus jose\+jwt vulnerabilityConnect2id Nimbus JOSE+JWT before v7.9 can throw various uncaught exceptions while parsing a JWT, which could result in an application crash (potenti…EPSS 11%7.5CVE-2017-12974Connect2id nimbus jose\+jwt improper verification of cryptographic signature vulnerabilityNimbus JOSE+JWT before 4.36 proceeds with ECKey construction without ensuring that the public x and y coordinates are on the specified curve, which a…EPSS 1.3%7.5CVE-2017-12972Connect2id nimbus jose\+jwt insufficient verification of data authenticity vulnerabilityIn Nimbus JOSE+JWT before 4.39, there is no integer-overflow check when converting length values from bytes to bits, which allows attackers to conduc…EPSS 0.89%3.1CVE-2017-12973Connect2id nimbus jose\+jwt vulnerabilityNimbus JOSE+JWT before 4.39 proceeds improperly after detection of an invalid HMAC in authenticated AES-CBC decryption, which allows attackers to con…EPSS 0.64%

Source: NIST National Vulnerability Database (record CVE-2023-52428), CISA KEV, FIRST EPSS (scores of 2026-10-14). This page is refreshed as NVD updates the record.