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CVE-2022-23178

86
FAUCET Score

CVE-2022-23178 is a critical authentication bypass vulnerability affecting Crestron HD-MD4X2-4K-E devices running firmware version 1.0.0.2159. An unauthenticated attacker can access the administrative web interface and retrieve user credentials, including usernames and passwords, via the aj.html endpoint. This flaw carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists in ExploitDB and Nuclei templates, indicating a high potential for exploitation, despite limited community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0.2159CPE matchmatch criteria
cpe:2.3:o:crestron:hd-md4x2-4k-e_firmware:1.0.0.2159:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
75.71%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2022-23178 · Jan 23, 2022
ExploitDB: EDB-50675 · Jan 18, 2022
This CVE's current EPSS score of 0.7571 is in the 98th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

redteam-pentesting.de / advisories/rt-sa-2021-009
ExploitThird Party Advisory