JWT up to 3.4.5/4.0.3/4.1.4 Token data authenticity
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in JWT up to 3.4.5/4.0.3/4.1.4. Affected by this issue is some unknown functionality of the component Token Handler. Performing a manipulation results in data authenticity. This vulnerability is known as CVE-2021-41106. Attacking locally is a requirement. No exploit is available. It is recommended to upgrade the affected component.
Details
A vulnerability was found in JWT up to 3.4.5/4.0.3/4.1.4. It has been classified as problematic. This affects some unknown processing of the component Token Handler. The manipulation with an unknown input leads to a data authenticity vulnerability. CWE is classifying the issue as CWE-345. The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. This is going to have an impact on confidentiality, and integrity.
The weakness was published 09/29/2021 as GHSA-7322-jrq4-x5hf. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-41106 since 09/15/2021. Neither technical details nor an exploit are publicly available.
Upgrading to version 3.4.6, 4.0.4 or 4.1.5 eliminates this vulnerability. Applying the patch 8175de5b841fbe3fd97d2d49b3fc15c4ecb39a73 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 4.0
VulDB Base Score: 4.4
VulDB Temp Score: 4.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 3.3
NVD Vector: 🔍
CNA Base Score: 4.4
CNA Vector (GitHub, Inc.): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Data authenticityCWE: CWE-345
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: JWT 3.4.6/4.0.4/4.1.5
Patch: 8175de5b841fbe3fd97d2d49b3fc15c4ecb39a73
Timeline
09/15/2021 🔍09/29/2021 🔍
09/29/2021 🔍
11/18/2025 🔍
Sources
Advisory: GHSA-7322-jrq4-x5hfStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2021-41106 (🔍)
GCVE (CVE): GCVE-0-2021-41106
GCVE (VulDB): GCVE-100-183525
Entry
Created: 09/29/2021 07:50Updated: 11/18/2025 16:30
Changes: 09/29/2021 07:50 (50), 10/03/2021 16:48 (2), 10/03/2021 16:55 (1), 11/18/2025 16:30 (33)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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