CVE-2023-1127

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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.2% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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

2023-03-01 00:00Z3 YR AGO

Last updated

2025-03-07 16:39Z1 YR AGO

Reserved

2023-03-01

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-369Divide By ZeroBase

Data version

5.1

Document digest

a9f9bcec23261b3767dcc1b0a72c9b5b6dff59243b848c174f1958e88c19267d

• huntr.devhttps://huntr.dev/bounties/2d4d309e-4c96-415f-9070-36d0815f1beb
• github.comhttps://github.com/vim/vim/commit/e0f869196930ef5f25a0ac41c9215b09c9ce2d3c
• lists.fedoraproject.orgFEDORA-2023-27958e9307https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDVN5HSWPNVP4QXBPCEGZDLZKURLJWTE/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-ccf283d7e1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJ6TMKKBXHGVUHWFGM4X46VIJO7ZAG2W/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-030318ca00https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IE44W6WMMREYCW3GJHPSYP7NK2VT5NY6/vendor-advisory