# CVE-2017-12974: Improper Verification of Cryptographic Signature in Nimbus JOSE+JWT

Source: https://junglewise.ai/threats/cve-2017-12974-improper-verification-of-cryptographic-signature-in-nimbus-jose  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-13  
License: CC BY 4.0 with a link back

CVE-2017-12974 · Severity: low · CVSS 3 · Published 2022-05-13

Improper Verification of Cryptographic Signature in Nimbus JOSE+JWT

Technologies: [com.nimbusds:nimbus-jose-jwt (Maven)](https://junglewise.ai/threats/technologies/com-nimbusds-nimbus-jose-jwt). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2017-12974 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2017-12974 being exploited in the wild.

**How severe is CVE-2017-12974?** Low severity, with a CVSS score of 3, published 13 May 2022.

**Which products and versions are affected?** com.nimbusds:nimbus-jose-jwt (Maven) ECOSYSTEM:introduced=0,fixed=4.36.

**Is there a fix for CVE-2017-12974?** Yes. com.nimbusds:nimbus-jose-jwt (Maven): upgrade to 4.36 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2017-12974?** Check whether you run com.nimbusds:nimbus-jose-jwt (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- com.nimbusds:nimbus-jose-jwt (Maven): upgrade to 4.36 or later

  ```sh
  # set com.nimbusds:nimbus-jose-jwt to 4.36 in your pom.xml or build.gradle
  ```


## Affected products

- com.nimbusds:nimbus-jose-jwt (Maven) ECOSYSTEM:introduced=0,fixed=4.36

## Identifiers

- CVE-2017-12974
- GHSA-pfv2-37f7-9m6w

## Related threats

- [Nimbus JOSE + JWT is vulnerable to DoS attacks when processing deeply nested JSON](https://junglewise.ai/threats/cve-2025-53864-nimbus-jose-jwt-is-vulnerable-to-dos-attacks-when-processing)
- [Denial of Service in Connect2id Nimbus JOSE+JWT](https://junglewise.ai/threats/cve-2023-52428-denial-of-service-in-connect2id-nimbus-jose-jwt)
- [Nimbus JOSE+JWT vulnerable to padding oracle attack](https://junglewise.ai/threats/cve-2017-12973-nimbus-jose-jwt-vulnerable-to-padding-oracle-attack)
- [Nimbus JOSE+JWT missing overflow check](https://junglewise.ai/threats/cve-2017-12972-nimbus-jose-jwt-missing-overflow-check)
- [Improper Check for Unusual or Exceptional Conditions in Connect2id Nimbus JOSE+JWT](https://junglewise.ai/threats/cve-2019-17195-improper-check-for-unusual-or-exceptional-conditions-in)