CVE-2025-45770
"Auth0 JWT Weak Encryption Vulnerability"
Description
jwt v5.4.3 was discovered to contain weak encryption. NOTE: this issue has been disputed on the basis that key lengths are expected to be set by an application, not by this library. This dispute is subject to review under CNA rules 4.1.4, 4.1.14, and other rules; the dispute tagging is not meant to recommend an outcome for this CVE Record.
INFO
Published Date :
July 31, 2025, 8:15 p.m.
Last Modified :
Aug. 17, 2025, 4:15 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- There is no known solution at this time.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-45770.
| URL | Resource |
|---|---|
| https://gist.github.com/ZupeiNie/cd88c827eef11a1618f8baacccd240fb | Third Party Advisory |
| https://github.com/lcobucci | Product |
| https://github.com/lcobucci/jwt | Product |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-45770 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-45770
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-45770 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-45770 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Aug. 17, 2025
Action Type Old Value New Value Added Tag disputed Changed Description jwt v5.4.3 was discovered to contain weak encryption. jwt v5.4.3 was discovered to contain weak encryption. NOTE: this issue has been disputed on the basis that key lengths are expected to be set by an application, not by this library. This dispute is subject to review under CNA rules 4.1.4, 4.1.14, and other rules; the dispute tagging is not meant to recommend an outcome for this CVE Record. -
Initial Analysis by [email protected]
Aug. 15, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:jwt_project:jwt:*:*:*:*:*:*:*:* versions up to (including) 5.4.3 Added Reference Type MITRE: https://gist.github.com/ZupeiNie/cd88c827eef11a1618f8baacccd240fb Types: Third Party Advisory Added Reference Type MITRE: https://github.com/lcobucci Types: Product Added Reference Type MITRE: https://github.com/lcobucci/jwt Types: Product -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 31, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H Added CWE CWE-326 -
New CVE Received by [email protected]
Jul. 31, 2025
Action Type Old Value New Value Added Description jwt v5.4.3 was discovered to contain weak encryption. Added Reference https://gist.github.com/ZupeiNie/cd88c827eef11a1618f8baacccd240fb Added Reference https://github.com/lcobucci Added Reference https://github.com/lcobucci/jwt