XML External Entity (XXE) Injection 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
37.83% (99th percentile)

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  • Snyk IDSNYK-RHEL8-OPENVSWITCH215IPSEC-18680525
  • published12 Aug 2026
  • disclosed21 Apr 2021

Introduced: 21 Apr 2021

CVE-2021-21642  (opens in a new tab)
CWE-611  (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 Config File Provider Plugin 3.7.0 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

CVSS Base Scores

version 3.1