Is CVE-2021-45042 in the CISA KEV catalog?

No. CVE-2021-45042 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-45042?

CVE-2021-45042 has a CVSS v3 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2021-45042?

CVE-2021-45042 has an EPSS score of 1.41% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-45042?

Upgrade Hashicorp Vault to 1.7.7 or later.

CVE & CISA-KEV Catalog

CVE-2021-45042

MEDIUM

4.9

CVSS v3

NVD

Description

In HashiCorp Vault and Vault Enterprise before 1.7.7, 1.8.x before 1.8.6, and 1.9.x before 1.9.1, clusters using the Integrated Storage backend allowed an authenticated user (with write permissions to a kv secrets engine) to cause a panic and denial of service of the storage backend. The earliest affected version is 1.4.0.

How to fix

Remediation Available

Hashicorp VaultWindows application

Affected:1.4.0 1.7.7Fixed in:1.7.7HashiCorp, Inc.

Affected:1.8.0 1.8.6Fixed in:1.8.6HashiCorp, Inc.

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.41%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Vendor Advisory2

Third-Party Advisory1

security.gentoo.org

Embed a live status badge for CVE-2021-45042

Markdown

[![CVE-2021-45042](https://tridentstack.com/cve/badge/CVE-2021-45042.svg)](https://tridentstack.com/cve/CVE-2021-45042)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-45042"><img src="https://tridentstack.com/cve/badge/CVE-2021-45042.svg" alt="CVE-2021-45042"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2024-11-21.