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CVE-2023-33252

22
FAUCET Score

CVE-2023-33252 is a high-severity vulnerability in iden3 snarkjs through version 0.6.11, allowing for double spending due to a lack of validation for the publicSignals length against the field modulus. This flaw has a CVSS score of 7.5, indicating it can be exploited remotely with low complexity to achieve high integrity impact without user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, the potential for double spending makes this a critical issue for affected systems.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.6.11CPE matchmatch criteria
cpe:2.3:a:0kims:snarkjs:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.58%
Probability of exploitation in next 30 days
EPSS Percentile
44.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0058 is in the 21st percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-xp5g-jhg3-3rg2high

Double spend in snarkjs

May 22, 2023

References

github.com / iden3/snarkjs/commits/master/src/groth16_verify.js
Product
github.com / iden3/snarkjs/tags
Product