VDB-229623 · CVE-2023-33252 · EUVD-2023-1652

iden3 snarkjs up to 0.6.11 publicSignals access control

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.
6.5	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in iden3 snarkjs up to 0.6.11. This impacts an unknown function. Performing a manipulation of the argument publicSignals results in access control. This vulnerability was named CVE-2023-33252. There is no available exploit.

Detailsinfo

A vulnerability was found in iden3 snarkjs up to 0.6.11. It has been classified as critical. This affects some unknown functionality. The manipulation of the argument publicSignals with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

iden3 snarkjs through 0.6.11 allows double spending because there is no validation that the publicSignals length is less than the field modulus.

The weakness was presented 05/22/2023. This vulnerability is uniquely identified as CVE-2023-33252 since 05/21/2023. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-1652). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

iden3

Name

snarkjs

Version

Website

Product: https://github.com/iden3/snarkjs/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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

05/21/2023 🔍
05/22/2023 +1 days 🔍
05/22/2023 +0 days 🔍
07/14/2025 +784 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2023-33252 (🔍)
GCVE (CVE): GCVE-0-2023-33252
GCVE (VulDB): GCVE-100-229623
EUVD: 🔍

Entryinfo

Created: 05/22/2023 07:06
Updated: 07/14/2025 14:04
Changes: 05/22/2023 07:06 (37), 06/15/2023 14:37 (1), 06/15/2023 14:38 (11), 07/14/2025 14:04 (16)
Complete: 🔍
Cache ID: 216::103