What is CVE-2020-25816?

CVE-2020-25816 is a medium-severity vulnerability in Hashicorp Vault. CVSS score: 6.8/10. Published 2020-09-30.

How severe is CVE-2020-25816?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Hashicorp Vault

CVE-2020-25816

HashiCorp Vault and Vault Enterprise versions 1.0 and newer allowed leases created with a batch token to outlive their TTL because expiration time was not scheduled correctly. Fixed in 1.4.7 and 1.5.4.

Published 2020-09-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Hashicorp Vault

References

www.hashicorp.com/blog/category/vault (Vendor Advisory)
github.com/hashicorp/vault/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2020-25816?: CVE-2020-25816 is a medium-severity vulnerability in Hashicorp Vault. CVSS score: 6.8/10. Published 2020-09-30.
How severe is CVE-2020-25816?: Medium severity. CVSS v3 base score is 6.8 out of 10.