CVE-2022-47931

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

9.1 CriticalFix available

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.49%Down 0.4 points since Dec 23, 2022

What each source reports

NVD Score used 9.1

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Record: CVE-2022-47931
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness: CWE-326
Updated: 2026-11-02

CVE List 6.5

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Record: CVE-2022-47931
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Weakness: CWE-326
Updated: 2026-11-02

EUVDEUVD-2022-7605 6.5

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Record: EUVD-2022-7605
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-cvcx-g7wh-x8rf 9.1

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

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Record: GHSA-cvcx-g7wh-x8rf
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-327
Updated: 2026-11-02

OSVGHSA-cvcx-g7wh-x8rf 9.1

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

IO FinNet tss-lib before 2.0.0 allows a collision of hash values.

Record: GHSA-cvcx-g7wh-x8rf
CVSS 3.1: 9.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness: CWE-327
Updated: 2026-11-02

OSVGO-2023-1904 No score

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

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

Record: GO-2023-1904
Updated: 2026-11-02

Affected products

iofinnet tss-lib

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/bnb-chain/tss-lib` Go	before 1.3.6-0.20230324145555-bb6fb30bd3eb	1.3.6-0.20230324145555-bb6fb30bd3eb
`github.com/binance-chain/tss-lib` Go	All versions	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-47931 is a critical vulnerability (CVSS 9.1) in Iofinnet Tss-lib, published December 22, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. Fixed in github.com/bnb-chain/tss-lib 1.3.6-0.20230324145555-bb6fb30bd3eb.

References

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