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CVE-2018-20220

40
FAUCET Score

CVE-2018-20220 describes a critical missing authentication vulnerability in Teracue ENC-400 devices running firmware 2.56 and below. Attackers can access numerous unauthenticated HTTP endpoints, potentially exposing sensitive information despite the web interface requiring login. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity and a high impact on confidentiality. While not currently listed on CISA's KEV catalog, public exploit code exists, including an ExploitDB entry, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.56CPE matchmatch criteria
cpe:2.3:o:teracue:enc-400_hdmi_firmware:*:*:*:*:*:*:*:*
<= 2.56CPE matchmatch criteria
cpe:2.3:o:teracue:enc-400_hdmi2_firmware:*:*:*:*:*:*:*:*
<= 2.56CPE matchmatch criteria
cpe:2.3:o:teracue:enc-400_hdsdi_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
15.36%
Probability of exploitation in next 30 days
EPSS Percentile
96.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-46451 · Feb 22, 2019
This CVE's current EPSS score of 0.1536 is in the 95th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/151802/Teracue-ENC-400-Command-Injection-Missing-Authentication.html
Third Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2019/Feb/48
Mailing ListThird Party Advisory
zxsecurity.co.nz / research.html
Not Applicable