Improper Input Validation Affecting openvswitch2.15-ipsec package, versions <0:2.15.0-9.el8fdp


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
2.73% (85th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL8-OPENVSWITCH215IPSEC-18680523
  • published12 Aug 2026
  • disclosed7 Apr 2021

Introduced: 7 Apr 2021

CVE-2021-21639  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 openvswitch2.15-ipsec to version 0:2.15.0-9.el8fdp or higher.
This issue was patched in RHSA-2021:2437.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openvswitch2.15-ipsec package and not the openvswitch2.15-ipsec package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the config.xml REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

CVSS Base Scores

version 3.1