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Medium 5.0Published Apr 24, 2015

CVE-2015-3143cURL and libcurl 7.10.6 through 7.41.0 does not properly re-use NTLM connections, which allows remote attackers to connect as other users via an unauthenticated request, a similar issue to CVE-2014-0…

Updated under an hour ago ()

Does this affect you?

It affects haxx curl and 5 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

cURL and libcurl 7.10.6 through 7.41.0 does not properly re-use NTLM connections, which allows remote attackers to connect as other users via an unauthenticated request, a similar issue to CVE-2014-0015.

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CVSS
5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE)
CWE-264
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Modified
Record last updated
Jun 16, 2026
First seen by InfoSec Signals
Nov 1, 2026

Affected products

Affected products
haxx curl
haxx:curl
7.10.6; 7.10.7; 7.10.8; 7.11.0; 7.11.1; 7.11.2; 7.12.0; 7.12.1; and 63 more ranges
NVD
canonical ubuntu_linux
canonical:ubuntu_linux
12.04; 14.04; 14.10; 15.04
NVD
debian debian_linux
debian:debian_linux
7.0
NVD
haxx libcurl
haxx:libcurl
7.10.6; 7.10.7; 7.10.8; 7.11.0; 7.11.1; 7.11.2; 7.12.0; 7.12.1; and 64 more ranges
NVD
hp system_management_homepage
hp:system_management_homepage
through 7.5.3.1
NVD
apple mac_os_x
apple:mac_os_x
through 10.9.5; 10.10.0; 10.10.1; 10.10.2; 10.10.3; 10.10.4
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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