CVE-2020-11709

HIGH EPSS 73.5%
Published Apr 12, 20206y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Apr 12, 2020 6y ago
Last Modified Jun 17, 2026 2w ago

Description

cpp-httplib through 0.5.8 does not filter \r\n in parameters passed into the set_redirect and set_header functions, which creates possibilities for CRLF injection and HTTP response splitting in some specific contexts.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
73.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-74

Affected Products 1

VendorProductVersionRange
yhirosecpp-httplib* ≤0.5.8

References 2

  • gist.github.com https://gist.github.com/shouc/a9330df817128bc4c4132abf3de09495
    ExploitThird Party Advisory
  • github.com https://github.com/yhirose/cpp-httplib/issues/425
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.