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Vulnerability record · CVE-2024-2004 · published 27 March 2024

CVE-2024-2004: Haxx curl interpretation conflict vulnerability

Haxx · Curl

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been explicitly disabled. curl --proto -all,-http http://curl.se The flaw is only present if the set of selected protocols disables the entire set of available protocols, in itself a command with no practical use and therefore unlikely to be encountered in real situations. The curl security team has thus assessed this to be low severity bug.

3.5 CVSS 3.1 Low EPSS 1.7% · top 24.0% CWE-436 · Interpretation conflict
3.5CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
26References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

When a protocol selection parameter option disables all protocols without adding any then the default set of protocols would remain in the allowed set due to an error in the logic for removing protocols. The below command would perform a request to curl.se with a plaintext protocol which has been explicitly disabled. curl --proto -all,-http http://curl.se The flaw is only present if the set of selected protocols disables the entire set of available protocols, in itself a command with no practical use and therefore unlikely to be encountered in real situations. The curl security team has thus assessed this to be low severity bug.

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

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/fulldisclosure/2024/Jul/18 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/19 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/20 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/03/27/1 Mailing ListThird Party Advisory
https://curl.se/docs/CVE-2024-2004.html Vendor Advisory
https://curl.se/docs/CVE-2024-2004.json Vendor Advisory
https://hackerone.com/reports/2384833 ExploitIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/2D44YLAUFJU6BZ4XFG2FYV7SB Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/GMD6UYKCCRCYETWQZUJ65ZRFU Third Party Advisory
https://security.netapp.com/advisory/ntap-20240524-0006/ Third Party Advisory
https://support.apple.com/kb/HT214118 Release NotesVendor Advisory
https://support.apple.com/kb/HT214119 Release NotesVendor Advisory
https://support.apple.com/kb/HT214120 Release NotesVendor Advisory
http://seclists.org/fulldisclosure/2024/Jul/18 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/19 Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/20 Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/03/27/1 Mailing ListThird Party Advisory
https://curl.se/docs/CVE-2024-2004.html Vendor Advisory
https://curl.se/docs/CVE-2024-2004.json Vendor Advisory
https://hackerone.com/reports/2384833 ExploitIssue TrackingThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/2D44YLAUFJU6BZ4XFG2FYV7SB Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/GMD6UYKCCRCYETWQZUJ65ZRFU Third Party Advisory
https://security.netapp.com/advisory/ntap-20240524-0006/ Third Party Advisory
https://support.apple.com/kb/HT214118 Release NotesVendor Advisory
https://support.apple.com/kb/HT214119 Release NotesVendor Advisory
https://support.apple.com/kb/HT214120 Release NotesVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-2004), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.