VDB-172616 · CVE-2021-30246 · GCVE-0-2021-30246

jsrsasign Package up to 10.1.13 on node.js RSA PKCS#1 v1.5 Signature Verification 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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in jsrsasign Package up to 10.1.13 on node.js. This issue affects some unknown processing of the component RSA PKCS#1 v1.5 Signature Verification Handler. Such manipulation leads to signature verification. This vulnerability is documented as CVE-2021-30246. There is not any exploit available.

Detailsinfo

A vulnerability was found in jsrsasign Package up to 10.1.13 on node.js (JavaScript Library) and classified as problematic. Affected by this issue is an unknown part of the component RSA PKCS#1 v1.5 Signature Verification Handler. The manipulation with an unknown input leads to a signature verification vulnerability. Using CWE to declare the problem leads to CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. Impacted is confidentiality, integrity, and availability.

The weakness was released 04/08/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-30246. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

JavaScript Library

Name

jsrsasign Package

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.8

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/07/2021 🔍
04/08/2021 +1 days 🔍
04/08/2021 +0 days 🔍
06/22/2026 +1901 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2021-30246 (🔍)
GCVE (CVE): GCVE-0-2021-30246
GCVE (VulDB): GCVE-100-172616

Entryinfo

Created: 04/08/2021 09:59
Updated: 06/22/2026 13:03
Changes: 04/08/2021 09:59 (36), 04/11/2021 17:23 (2), 06/22/2026 13:03 (33)
Complete: 🔍
Cache ID: 216::103