Improper input validation in Thingsboard
CVE-2020-27687
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/thingsboard/thingsboard/commits/master (Third Party Advisory)
- gist.github.com/vin01/26a8bb13233acd9425e7575a7ad4c936 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27687?
- CVE-2020-27687 is a high-severity vulnerability in Thingsboard, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2020-12-18.
- How severe is CVE-2020-27687?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-27687 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.