What is CVE-2020-15302?

CVE-2020-15302 is a high-severity vulnerability in Argent Recoverymanager, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-06-25.

How severe is CVE-2020-15302?

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

Vulnerability in Argent Recoverymanager

CVE-2020-15302

In Argent RecoveryManager before 0xdc350d09f71c48c5D22fBE2741e4d6A03970E192, the executeRecovery function does not require any signatures in the zero-guardian case, which allows attackers to cause a denial of service (locking) or a takeover.

Published 2020-06-25 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.009 (57.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Argent Recoverymanager

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

blog.openzeppelin.com/argent-vulnerability-report/ (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-15302?: CVE-2020-15302 is a high-severity vulnerability in Argent Recoverymanager, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2020-06-25.
How severe is CVE-2020-15302?: High severity. CVSS v3 base score is 7.5 out of 10.