LiveActive security incident?Get immediate response
CVE Record

CVE-2022-3099: Use After Free in vim/vim

Use After Free in GitHub repository vim/vim prior to 9.0.0360.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Vim versions before 9.0.0360 contain a use-after-free memory bug. A user likely must open attacker-controlled content in Vim for impact. If triggered, the published CVSS rating indicates possible compromise of confidentiality, integrity, and availability on the local system.

Executive priority

Treat as a high-priority hygiene fix, especially for engineering and operations systems. It is serious because successful exploitation could affect the local system, but available evidence does not show active exploitation or network-wormable behavior.

Technical view

CVE-2022-3099 is CWE-416 in vim/vim before 9.0.0360. The CVSS vector is local, low complexity, no privileges, user interaction required, with high CIA impact. Upstream fixed it in commit 35d21c6830fc2d68aca838424a0e786821c5891c; Fedora, Debian LTS, and Gentoo issued package updates.

Likely exposure

Exposure is most likely on endpoints, servers, containers, and developer environments running Vim packages older than 9.0.0360 or unpatched distro builds. Risk is higher where users edit untrusted files or receive files from external parties.

Exploitation context

The source bundle does not identify active exploitation, and KEV is false. The vulnerability is local and requires user interaction, so it is not described as remotely reachable by itself. Public vulnerability and fix references exist.

Researcher notes

Focus analysis on Vim builds before 9.0.0360 and distro backports. The public data names CWE-416 and high local impact, but the provided bundle does not include detailed trigger conditions beyond the upstream fix and advisories.

Mitigation direction

  • Upgrade Vim to version 9.0.0360 or a vendor-patched package.
  • Apply relevant Fedora, Debian LTS, Gentoo, or other distribution security updates.
  • Prioritize developer workstations, admin jump boxes, and servers with interactive shell use.
  • Reduce use of vulnerable Vim for untrusted files until patched.
  • Check vendor guidance if package versioning backports the upstream fix.

Validation and detection

  • Inventory installed Vim versions across endpoints, servers, and container images.
  • Confirm packages include the fix for CVE-2022-3099 or upstream 9.0.0360.
  • Review distribution changelogs or advisories for backported security patches.
  • Verify patch deployment through endpoint management or package audit data.
  • Retest representative systems after update to confirm Vim launches normally.
Prepared
Confidence
high
Sources
8

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-416: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2022-3099 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
9Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.8CVSS 3.0HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2022-3099Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
vimvim/vimunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-416 · source CWE mapping

Use After Free

Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.