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CVE Record

CVE-2022-2129: Out-of-bounds Write in vim/vim

Out-of-bounds Write in GitHub repository vim/vim prior to 8.2.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2022-2129 is a high-severity memory corruption flaw in Vim before 8.2. A victim must interact with content in Vim, but successful exploitation could compromise confidentiality, integrity, and availability on the affected system. This is mainly an endpoint, server, and developer workstation hygiene issue.

Executive priority

Treat this as a high-priority patching item, especially for engineering and operations systems. It is not evidenced as actively exploited in the provided bundle, but memory corruption with high impact warrants timely remediation through standard package updates.

Technical view

The issue is a CWE-787 out-of-bounds write in vim/vim. The CVSS 3.0 score is 7.8 with local attack vector, low complexity, no privileges required, user interaction required, and high CIA impact. The bundle identifies an upstream fixing commit and downstream Fedora, Gentoo, and Debian LTS advisories.

Likely exposure

Exposure is likely wherever vulnerable Vim packages remain installed, including Linux servers, desktops, and developer workstations. Fedora, Gentoo, and Debian LTS advisories indicate distribution-packaged Vim was relevant. The bundle does not provide exact affected downstream package versions beyond Vim before 8.2 or vendor advisories.

Exploitation context

The provided sources do not show active exploitation, and the CVE is not listed as KEV in the bundle. The CVSS vector indicates local exploitation with required user interaction, so risk depends on users opening or processing attacker-influenced content in vulnerable Vim.

Researcher notes

The evidence is sufficient for classification and remediation direction, but incomplete for exact vulnerable package ranges across distributions. Avoid assuming exploit availability or active attacks. Validation should rely on vendor package metadata, the upstream commit, and authenticated software inventory.

Mitigation direction

  • Update Vim using the relevant operating system or vendor security advisory.
  • Confirm the upstream fix is included if building Vim from source.
  • Prioritize developer workstations, admin jump boxes, and servers with interactive shell access.
  • Review Fedora, Gentoo, or Debian LTS guidance where those distributions are used.
  • If patching is delayed, reduce exposure to untrusted files opened in Vim.

Validation and detection

  • Inventory installed Vim versions across endpoints, servers, and build images.
  • Check package changelogs against the vendor advisory for CVE-2022-2129.
  • For source builds, verify the fixing commit is present in the build tree.
  • Confirm vulnerability scanners detect the corrected package state after update.
  • Review exception lists for systems pinned to older Vim packages.
Prepared
Confidence
medium
Sources
9

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-787: 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-2022-2129 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-2022-2129Attack 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-787 · source CWE mapping

Out-of-bounds Write

Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.