CVE-2022-3520

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

1.06% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 64.6% 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

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2022-12-02 00:00Z3 YR AGO

Last updated

2025-04-23 18:32Z1 YR AGO

Reserved

2022-10-15

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

0b1ea8d1268897bb4d87c3bfce4b53d5c00e6e739e21fa37e98778fe180e145d

• huntr.devhttps://huntr.dev/bounties/c1db3b70-f4fe-481f-8a24-0b1449c94246
• github.comhttps://github.com/vim/vim/commit/36343ae0fb7247e060abfd35fb8e4337b33abb4b
• security.gentoo.orgGLSA-202305-16https://security.gentoo.org/glsa/202305-16vendor-advisory
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20241115-0010/