What is CVE-2022-33069?

CVE-2022-33069 is a medium-severity vulnerability in Soliditylang Solidity, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2022-06-23.

How severe is CVE-2022-33069?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Soliditylang Solidity

CVE-2022-33069

Ethereum Solidity v0.8.14 contains an assertion failure via SMTEncoder::indexOrMemberAssignment() at SMTEncoder.cpp.

Published 2022-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.006 (48.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Soliditylang Solidity — versions 0.8.13, 0.8.14

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

github.com/ethereum/solidity/issues/12973 (Exploit, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-33069?: CVE-2022-33069 is a medium-severity vulnerability in Soliditylang Solidity, classified under Reachable Assertion. CVSS score: 5.5/10. Published 2022-06-23.
How severe is CVE-2022-33069?: Medium severity. CVSS v3 base score is 5.5 out of 10.