What is CVE-2022-48216?

CVE-2022-48216 is a high-severity vulnerability in Uniswap Universal Router, classified under Improper Locking. CVSS score: 7.5/10. Published 2023-01-04.

How severe is CVE-2022-48216?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Uniswap Universal Router

CVE-2022-48216

Uniswap Universal Router before 1.1.0 mishandles reentrancy. This would have allowed theft of funds.

Published 2023-01-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-667 — Improper Locking

References

github.com/Uniswap/universal-router/commit/d82c6685ef566d9b280651c99f4b93a8454c… (Patch, Third Party Advisory)
media.dedaub.com/uniswap-bug-bounty-1625d8ff04ae (Exploit, Third Party Advisory)
github.com/Uniswap/universal-router/compare/v1.0.1...v1.1.0 (Third Party Advisory, Release Notes)
twitter.com/dedaub/status/1610058814094450694 (Third Party Advisory)
github.com/Uniswap/universal-router/pull/189 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-48216?: CVE-2022-48216 is a high-severity vulnerability in Uniswap Universal Router, classified under Improper Locking. CVSS score: 7.5/10. Published 2023-01-04.
How severe is CVE-2022-48216?: High severity. CVSS v3 base score is 7.5 out of 10.