CVE-2022-0547

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 88.3% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-03-18 18:00Z4 YR AGO

Last updated

2025-11-03 20:34Z10 MO AGO

Reserved

2022-02-08

Assigning CNA

OpenVPN

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

• CWE-305Authentication Bypass by Primary WeaknessBase
• CWE-287Improper AuthenticationClass

Data version

5.2

Document digest

d88bb64253e18f6c23f04ef68612e70ad1ba1f905dbec33d6d85297fc34786a1

• community.openvpn.nethttps://community.openvpn.net/openvpn/wiki/SecurityAnnouncementsx_refsource_MISC
• community.openvpn.nethttps://community.openvpn.net/openvpn/wiki/CVE-2022-0547x_refsource_MISC
• openvpn.nethttps://openvpn.net/community-downloads/x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2022-7d46acce7chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R36OYC5SJ6FLPVAYJYYT4MOJ2I7MGYFF/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2022-cb4c1146dchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJ35WKPME4HYNQCQNAJHLCZOJL2SAE/vendor-advisoryx_refsource_FEDORA
• lists.debian.org[debian-lts-announce] 20220503 [SECURITY] [DLA 2992-1] openvpn security updatehttps://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlmailing-listx_refsource_MLIST
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/03/msg00005.html