CVE-2025-10966

MEDIUM EPSS 29.1%
Published Nov 7, 20257mo ago · Modified Jun 17, 20262w ago
4.3 CVSS 3.1
Medium
Find Similar
Published Nov 7, 2025 7mo ago
Last Modified Jun 17, 2026 2w ago

Description

curl's code for managing SSH connections when SFTP was done using the wolfSSH powered backend was flawed and missed host verification mechanisms. This prevents curl from detecting MITM attackers and more.

CVSS Details

Base Score
4.3
Exploitability
2.8
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
29.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Affected Products 1

VendorProductVersionRange
haxxcurl*≥7.69.0  –  <8.17.0

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2025/11/05/2
    Mailing ListPatchThird Party Advisory
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-253495.html
  • curl.se https://curl.se/docs/CVE-2025-10966.html
    PatchVendor Advisory
  • curl.se https://curl.se/docs/CVE-2025-10966.json
    Vendor Advisory
  • hackerone.com https://hackerone.com/reports/3355218
    ExploitIssue TrackingThird Party Advisory

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2025/11/05/2
    Mailing ListPatchThird Party Advisory
  • curl.se https://curl.se/docs/CVE-2025-10966.html
    PatchVendor Advisory