CVE-2016-9952 - Vulnerability Details - OpenCVE

The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by "*.com."

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01005.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_embedded_compact:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Haxx Subscribe	Curl Subscribe
Microsoft Subscribe	Windows Embedded Compact Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://curl.haxx.se/CVE-2016-9952.patch
https://curl.haxx.se/docs/adv_20161221B.html

History

Thu, 19 Feb 2026 18:15:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:a:haxx:curl:7.27.0:::::::*
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-03-12T21:00:00.000Z

Updated: 2024-08-07T19:19:13.575Z

Reserved: 2016-12-15T00:00:00.000Z

Link: CVE-2016-9952

Vulnrichment

Updated: 2024-08-06T03:07:31.068Z

NVD

Status : Modified

Published: 2018-03-12T21:29:00.500

Modified: 2024-11-21T03:02:03.960

Link: CVE-2016-9952

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-295

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