Security readout for executives and security teams
CVE-2023-4735 is a memory safety flaw in Vim before version 9.0.1847. An attacker would need a user to open or process crafted content in a local Vim session. The expected impact is limited but could affect confidentiality, integrity, and availability of that user’s environment. Systems with Vim versions earlier than 9.0.1847 are potentially exposed, especially developer workstations, servers, and macOS systems where Vim is bundled or installed. Exposure depends on whether users open untrusted files or content in Vim. Treat as routine-to-moderate patching priority. It is not currently supported as actively exploited by the provided sources, but Vim is widely deployed and often overlooked in asset inventories. Mitigation focus: Upgrade Vim to 9.0.1847 or later where available.; Apply vendor OS updates that include Vim security fixes.; For Apple-managed systems, review the linked Apple security update..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-787: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-4735 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 4.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L1.33.4@huntrdevVulnerability scoring details
Base CVSS 3.0 score
4.8MediumVector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://huntr.dev/bounties/fc83bde3-f621-42bd-aecb-8c1ae44cba51CVE reference, @huntrdev
- https://github.com/vim/vim/commit/889f6af37164775192e33b233a90e86fd3df0f57CVE reference, @huntrdev
- https://support.apple.com/kb/HT213984CVE reference, @huntrdev
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
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.