CVE-2023-2121

Name: CVE-2023-2121
Creator: NVD / NIST
Published: 2023-06-09T17:15:09.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2023-2121 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Vault and Vault Enterprise's (Vault) key-value v2 (kv-v2) diff viewer allowed HTML injection into the Vault web UI through key values. This vulnerability, CVE-2023-2121, is fixed in Vault 1.14.0, 1.13.3, 1.12.7, and 1.11.11.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.42%

33.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Hashicorp	Vault	< 1.11.11
Hashicorp	Vault	>= 1.12.0, < 1.12.7
Hashicorp	Vault	>= 1.13.0, < 1.13.3

References

Timeline

Published: Jun 9, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2121?

How severe is CVE-2023-2121?

CVE-2023-2121 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2121?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2121?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST