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CVE-2022-47931

28
FAUCET Score

CVE-2022-47931 is a critical vulnerability affecting IO FinNet tss-lib versions prior to 2.0.0, allowing for a collision of hash values. With a CVSS score of 9.1, it presents a high-impact, network-exploitable risk, potentially leading to full compromise of confidentiality and integrity without user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, its high severity warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.0CPE matchmatch criteria
cpe:2.3:a:iofinnet:tss-lib:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
36.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 14th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/bnb-chain/tss-libFixed in: 1.3.6-0.20230324145555-bb6fb30bd3eb

Vendor Advisories (1)

goGHSA-cvcx-g7wh-x8rfcritical

Collision of hash values in github.com/bnb-chain/tss-lib

Dec 23, 2022

References

github.com / IoFinnet/tss-lib/commit/369ec50be1437588a9733443bcb2f15b794601d4
PatchThird Party Advisory
github.com / IoFinnet/tss-lib/releases/tag/v2.0.0
Release NotesThird Party Advisory
medium.com / %40iofinnet/security-disclosure-for-ecdsa-and-eddsa-threshold-signature-schemes-4e969af7155b