01 Record

CVE-2024-32487

less through 653 allows OS command execution via a newline character in the name of a file, because quoting is mishandled in filename.c. Exploitation typically requires use with attacker-controlled

HighPUBLISHEDCNA: mitre

CNA base score8.6 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

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02 Description

less through 653 allows OS command execution via a newline character in the name of a file, because quoting is mishandled in filename.c. Exploitation typically requires use with attacker-controlled

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
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

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 49.9% of scored records. A rank, not a probability.

NVD base score

8.6 (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:C/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Important. 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.

04 Metadata

Published

2024-04-13 00:00Z2 YR AGO

Last updated

2024-08-02 02:13Z2 YR AGO

Reserved

2024-04-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

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

Weaknesses

CWE-96Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')Base
CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

52ed12f4603ad1b4df8660564a15fe1eb8b73e8332ae19e0cf8ea43ee93e299a

05 Affected products

VendorProductVersionsPlatforms

netappless0 to 653—

06 References

www.openwall.comhttps://www.openwall.com/lists/oss-security/2024/04/13/2
www.openwall.comhttps://www.openwall.com/lists/oss-security/2024/04/12/5
github.comhttps://github.com/gwsw/less/commit/007521ac3c95bc76e3d59c6dbfe75d06c8075c33
www.openwall.com[oss-security] 20240415 Re: less(1) with LESSOPEN mishandles \n in pathshttp://www.openwall.com/lists/oss-security/2024/04/15/1mailing-list
security.netapp.comhttps://security.netapp.com/advisory/ntap-20240605-0009/
lists.debian.org[debian-lts-announce] 20240527 [SECURITY] [DLA 3823-1] less security updatehttps://lists.debian.org/debian-lts-announce/2024/05/msg00018.htmlmailing-list

07 Fixed in

AlmaLinux 8

less
Fixed in 530-3.el8_10

AlmaLinux 9

less
Fixed in 590-4.el9_4

CloudLinux 8

less
Fixed in 530-3.el8_10

Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.

CloudLinux 9

less
Fixed in 590-4.el9_4

Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.

Debian 12

less
Fixed in 590-2.1~deb12u2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

less
Fixed in 590-2.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

less
Fixed in 590-2.1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.