TI-2020-16789 Aliases CVE-2020-27687 GHSA-gxgw-6q4v-hcj8

ThingsBoard before v3.2 is vulnerable to Host header injection in password-reset emails.

MEDIUM 41CWE-20Published 2020-12-18 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01539 75th percentileScored 2026-11-08

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:thingsboard:thingsboard::::::::	before 3.2	Vulnerable	ThingsBoard

cpe:2.3:a:thingsboard:thingsboard:*:*:*:*:*:*:*:* Versions before 3.2 Vulnerable ·ThingsBoard

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-27687
2026-10-03 Alias added: GHSA-gxgw-6q4v-hcj8

References

Exploit 1

https://gist.github.com/vin01/26a8bb13233acd9425e7575a7ad4c936

Advisory 1

https://github.com/thingsboard/thingsboard/commits/master

TI-2023-24282 ThingsBoard before 3.5 allows Server-Side Template Injection if users are allowed to… CVSS 3.1HIGH 8.8
TI-2022-18942 Cross Site Scripting (XSS) vulnerability in Things Board 3.4.1 allows remote attackers to… CVSS 3.1CRITICAL 9.6
TI-2022-23955 ThingsBoard 3.4.1 could allow a remote authenticated attacker to achieve Vertical… CVSS 3.1HIGH 8.8
TI-2022-22507 An issue was discovered in ThingsBoard 3.4.1, allows low privileged attackers… CVSS 3.1HIGH 8.8
TI-2025-24420 ThingsBoard < v4.2.1 SVG Image SSRF CVSS 4.0MEDIUM 6.9
TI-2023-11609 ThingsBoard 3.4.1 could allow a remote attacker to gain elevated privileges because… CVSS 3.1HIGH 8.1

See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences