8.2

CVE-2020-16251: hashicorp vault Improper Authentication

CVSS: 8.2v3.1HighModified
AliasesGHSA-4mp7-2m29-gqxfBIT-vault-2020-16251GO-2024-2488
Published 26-08-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-16251 is a high (CVSS 8.2) Improper Authentication vulnerability in hashicorp vault. EPSS estimates a 2.83% chance of exploitation in the next 30 days, higher than 86.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (NVD)
EPSS score
2.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-08-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

HashiCorp Vault and Vault Enterprise versions 0.8.3 and newer, when configured with the GCP GCE auth method, may be vulnerable to authentication bypass. Fixed in 1.2.5, 1.3.8, 1.4.4, and 1.5.1.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.83%

Chance of exploitation in the next 30 days

Percentile

86%

Versus all other CVEs

30-day change

0.00 pp

From 2.83% on 21-09-2026

21-09-202621-10-2026
EPSS score
2.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/hashicorp1 product
  • vault≥ 0.8.3, < 1.2.5 | ≥ 1.3.0, < 1.3.8 | ≥ 1.4.0, < 1.4.4 | ≥ 1.5.0, < 1.5.1
Hashicorp1 product
  • vault≥ 0.8.3, < 1.2.5 | ≥ 1.3.0, < 1.3.8 | ≥ 1.4.0, < 1.4.4 | ≥ 1.5.0, < 1.5.1

2 vendors · 2 products

References

7 links