Portofino up to 5.2.0 JSON Web Token signature verification

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Portofino up to 5.2.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component JSON Web Token Handler. The manipulation leads to signature verification. This vulnerability is known as CVE-2021-29451. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in Portofino up to 5.2.0. It has been classified as critical. Affected is an unknown function of the component JSON Web Token Handler. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 04/17/2021. The advisory is available at github.com. This vulnerability is traded as CVE-2021-29451. The technical details are unknown and an exploit is not available.

Upgrading to version 5.2.1 eliminates this vulnerability. Applying a patch 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.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Portofino 5.2.1
Patch: github.com

Timelineinfo

03/30/2021 🔍
04/17/2021 +18 days 🔍
04/17/2021 +0 days 🔍
04/28/2021 +11 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-29451 (🔍)
GCVE (CVE): GCVE-0-2021-29451
GCVE (VulDB): GCVE-100-173166

Entryinfo

Created: 04/17/2021 09:16
Updated: 04/28/2021 06:08
Changes: 04/17/2021 09:16 (37), 04/23/2021 06:53 (6), 04/23/2021 06:57 (1), 04/28/2021 06:08 (7)
Complete: 🔍
Cache ID: 216:23B:103

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