Security readout for executives and security teams
CVE-2023-4734 is an integer overflow flaw in Vim before 9.0.1846. A user must interact with content in Vim, so risk is highest where staff edit untrusted files. The CVSS rating is high because successful exploitation could affect confidentiality, integrity, and availability. Systems with Vim versions older than 9.0.1846 are potentially exposed. Focus on developer workstations, administrator jump hosts, build systems, and servers where users may open externally supplied files. The CVE record does not provide CPEs or detailed downstream package mappings. Address in normal high-severity patch cycles, faster for developer and administrator endpoints handling untrusted files. It is not evidenced as actively exploited in the provided sources, but impact could be serious on compromised user workstations. Mitigation focus: Upgrade Vim to 9.0.1846 or later where available.; Apply operating system or distribution security updates that include the Vim fix.; Follow Apple guidance if managing affected Apple platforms..
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-190: Exact CWE lookup
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Open ATT&CK lookupCVE-2023-4734 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
- 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
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:N/UI:R/S:U/C:H/I:H/A:H1.85.9@huntrdevVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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/688e4382-d2b6-439a-a54e-484780f82217CVE reference, @huntrdev
- https://github.com/vim/vim/commit/4c6fe2e2ea62469642ed1d80b16d39e616b25cf5CVE 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.
Integer Overflow or Wraparound
Integer Overflow or Wraparound represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.