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Vulnerability record · CVE-2014-0138 · published 15 April 2014

CVE-2014-0138: Haxx curl improper authentication vulnerability

Haxx · Curl

The default configuration in cURL and libcurl 7.10.6 before 7.36.0 re-uses (1) SCP, (2) SFTP, (3) POP3, (4) POP3S, (5) IMAP, (6) IMAPS, (7) SMTP, (8) SMTPS, (9) LDAP, and (10) LDAPS connections, which might allow context-dependent attackers to connect as other users via a request, a similar issue to CVE-2014-0015.

6.4 CVSS 2.0 Medium EPSS 5.1% · top 8.0% CWE-287 · Improper authentication
6.4CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
36References
17 Jun 2026Last modified by NVD

Description

The default configuration in cURL and libcurl 7.10.6 before 7.36.0 re-uses (1) SCP, (2) SFTP, (3) POP3, (4) POP3S, (5) IMAP, (6) IMAPS, (7) SMTP, (8) SMTPS, (9) LDAP, and (10) LDAPS connections, which might allow context-dependent attackers to connect as other users via a request, a similar issue to CVE-2014-0015.

AV:N/AC:L/Au:N/C:P/I:P/A:N

Affected products

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

References

LinkTags
http://curl.haxx.se/docs/adv_20140326A.html Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2014-04/msg00042.html
http://seclists.org/fulldisclosure/2014/Dec/23
http://secunia.com/advisories/57836
http://secunia.com/advisories/57966
http://secunia.com/advisories/57968
http://secunia.com/advisories/58615
http://secunia.com/advisories/59458
http://www-01.ibm.com/support/docview.wss?uid=swg21675820
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862
http://www.debian.org/security/2014/dsa-2902
http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.securityfocus.com/archive/1/534161/100/0/threaded
http://www.ubuntu.com/usn/USN-2167-1
http://www.vmware.com/security/advisories/VMSA-2014-0012.html
http://curl.haxx.se/docs/adv_20140326A.html Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2014-04/msg00042.html
http://seclists.org/fulldisclosure/2014/Dec/23
http://secunia.com/advisories/57836
http://secunia.com/advisories/57966
http://secunia.com/advisories/57968
http://secunia.com/advisories/58615
http://secunia.com/advisories/59458
http://www-01.ibm.com/support/docview.wss?uid=swg21675820
http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5095862
http://www.debian.org/security/2014/dsa-2902
http://www.getchef.com/blog/2014/04/09/chef-server-11-0-12-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-1-4-9-release/
http://www.getchef.com/blog/2014/04/09/enterprise-chef-11-1-3-release/
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.securityfocus.com/archive/1/534161/100/0/threaded
http://www.ubuntu.com/usn/USN-2167-1
http://www.vmware.com/security/advisories/VMSA-2014-0012.html

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Source: NIST National Vulnerability Database (record CVE-2014-0138), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.