CVE-2018-20220
While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 15.4%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication. An attacker is able to view these pages before being authenticated, and some of these pages may disclose sensitive information.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 15.36% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 22 February 2019
- CISA KEV
- Not listed
- Weakness
- CWE-306
- Affected
- teracue/enc-400 hdmi firmware · teracue/enc-400 hdmi2 firmware · teracue/enc-400 hdsdi firmware
- Source
- cve@mitre.org
EPSS moved from 10.4% on 21 September 2026 to 15.4% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/151802/Teracue-ENC-400-Command-Injection-Missing-Authentication.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Feb/48Mailing List, Third Party Advisory
- https://zxsecurity.co.nz/research.htmlNot Applicable
- http://packetstormsecurity.com/files/151802/Teracue-ENC-400-Command-Injection-Missing-Authentication.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Feb/48Mailing List, Third Party Advisory
- https://zxsecurity.co.nz/research.htmlNot Applicable
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.