CVE-2024-2660

MEDIUM

6.4

CVSS v3

Description

Vault and Vault Enterprise TLS certificates auth method did not correctly validate OCSP responses when one or more OCSP sources were configured. This vulnerability, CVE-2024-2660, affects Vault and Vault Enterprise 1.14.0 and above, and is fixed in Vault 1.16.0 and Vault Enterprise 1.16.1, 1.15.7, and 1.14.11.

CWE-636

How to fix

Remediation Available

Hashicorp VaultWindows application

Affected:1.15.0 1.15.7Fixed in:1.15.7HashiCorp, Inc.

Affected:1.14.0 1.14.11Fixed in:1.14.11HashiCorp, Inc.

Affected:1.14.0 1.16.0Fixed in:1.16.0HashiCorp, Inc.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1

discuss.hashicorp.com

Third-Party Advisory1

security.netapp.com

Related Vulnerabilities

Other CWE-636 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-43532	High	8.8	12%	-	Fix
CVE-2023-28840	High	7.5	2.7%	-	Fix
CVE-2021-1578	High	8.8	2.0%	-	-
CVE-2023-28842	Medium	6.8	1.4%	-	Fix
CVE-2025-21210	Medium	4.2	1.1%	-	Fix
CVE-2026-53913	Critical	9.8	1.1%	-	Fix

Common questions

How do I fix CVE-2024-2660?

Upgrade Hashicorp Vault to 1.15.7 or later.

Is CVE-2024-2660 being actively exploited?

Not that we know of. CVE-2024-2660 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.30% is the estimated probability that it will be exploited in the next 30 days. That is higher than 22% of all scored CVEs.

How severe is CVE-2024-2660?

CVE-2024-2660 has a CVSS v3 base score of 6.4, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-2660 affect?

Published advisories record a fix for Hashicorp Vault (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-08.