CVE-2022-4087

Name: CVE-2022-4087
Creator: NVD / NIST
Published: 2022-11-21T07:15:08.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.48%

Last modified Jun 17, 2026

CVE-2022-4087 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability was found in iPXE. It has been declared as problematic. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

A vulnerability was found in iPXE. It has been declared as problematic. This vulnerability affects the function tls_new_ciphertext of the file src/net/tls.c of the component TLS. The manipulation of the argument pad_len leads to information exposure through discrepancy. The name of the patch is 186306d6199096b7a7c4b4574d4be8cdb8426729. It is recommended to apply a patch to fix this issue. VDB-214054 is the identifier assigned to this vulnerability.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Ipxe	Ipxe	< 2022-11-08

References

https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729Patch, Third Party Advisory
https://vuldb.com/?id.214054Third Party Advisory
https://github.com/ipxe/ipxe/commit/186306d6199096b7a7c4b4574d4be8cdb8426729Patch, Third Party Advisory
https://vuldb.com/?id.214054Third Party Advisory

Timeline

Published: Nov 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4087?

How severe is CVE-2022-4087?

CVE-2022-4087 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4087?

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-2022-4087?

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

Scan your code now

Source: NVD / NIST