CVE-2025-27423: vim Command Injection — Fix

Description

Vim is an open source, command line text editor. Vim is distributed with the tar.vim plugin, that allows easy editing and viewing of (compressed or uncompressed) tar files. Starting with 9.1.0858, the tar.vim plugin uses the ":read" ex command line to append below the cursor position, however the is not sanitized and is taken literally from the tar archive. This allows to execute shell commands via special crafted tar archives. Whether this really happens, depends on the shell being used ('shell' option, which is set using $SHELL). The issue has been fixed as of Vim patch v9.1.1164

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CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-77 CWE-77

Affected Products

Vendor	Product	Versions
vim	vim	9.1.0858 — 9.1.1164
netapp	hci_compute_node	All

References

Advisories & Patches

https://github.com/vim/vim/commit/129a8446d23cd9cb4445fcfea259cba5e0487d29 https://github.com/vim/vim/commit/334a13bff78aa0ad206bc436885f63e3a0bab399 https://github.com/vim/vim/security/advisories/GHSA-wfmf-8626-q3r3

Other References

https://security.netapp.com/advisory/ntap-20250502-0002/

Frequently Asked Questions

What is CVE-2025-27423? +

Vim is an open source, command line text editor. Vim is distributed with the tar.vim plugin, that allows easy editing and viewing of (compressed or uncompressed) tar files. Starting with 9.1.0858, the tar.vim plugin uses the ":read" ex command line to append below the cursor position, however the is not sanitized and is taken literally from the tar archive. This allows to execute shell commands via special crafted tar archives. Whether this really happens, depends on the shell being used ('shell' option, which is set using $SHELL). The issue has been fixed as of Vim patch v9.1.1164 It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-27423? +

CVE-2025-27423 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-27423? +

CVE-2025-27423 affects products from netapp, vim, specifically: hci_compute_node, vim. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-27423? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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