CVE-2020-27687

HIGH EPSS 71.4%
Published Dec 18, 20205y ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Dec 18, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

Description

ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails. This allows an attacker to send malicious links in password-reset emails to victims, pointing to an attacker-controlled server. Lack of validation of the Host header allows this to happen.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
71.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation
CWE-74

Affected Products 1

VendorProductVersionRange
thingsboardthingsboard* <3.2

References 2

  • gist.github.com https://gist.github.com/vin01/26a8bb13233acd9425e7575a7ad4c936
    ExploitThird Party Advisory
  • github.com https://github.com/thingsboard/thingsboard/commits/master
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.