SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-20218

An attacker is able to perform command injection using the "password" parameter in the login form.

EXPLOITCRITICAL 9.8EPSS 10.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 10.7%, higher than 96% 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. The login form passes user input directly to a shell command without any kind of escaping or validation in /usr/share/www/check.lp file. An attacker is able to perform command injection using the "password" parameter in the login form.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
10.73% probability · 96th percentile
Public exploits
1 in Exploit-DB · first 22 February 2019
CISA KEV
Not listed
Weakness
CWE-78
Affected
teracue/enc-400 hdmi firmware · teracue/enc-400 hdmi2 firmware · teracue/enc-400 hdsdi firmware
Source
cve@mitre.org
EPSS trend
0%8%15%21 September 2026: 8.48%22 September 2026: 10.73%27 October 2026: 10.73%21 September 202627 October 2026

EPSS moved from 8.5% on 21 September 2026 to 10.7% 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.

EDB-IDTitleTypePublishedVerified
EDB-46451source ↗Teracue ENC-400 - Command Injection / Missing Authenticationhardware · Stephen Shkardoonwebapps22 February 2019no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.