HOMEVULNERABILITIESCVE-2020-11623
MEDIUM

CVE-2020-11623

NVD-CWE-noinfoPublished: July 23, 2020· Updated: Jun 17, 2026

6.8
CVSS v3.1

Official Description

An issue was discovered in AvertX Auto focus Night Vision HD Indoor/Outdoor IP Dome Camera HD838 and Night Vision HD Indoor/Outdoor Mini IP Bullet Camera HD438. An attacker with physical access to the UART interface could access additional diagnostic and configuration functionalities as well as the camera's bootloader. Successful exploitation could compromise confidentiality, integrity, and availability of the affected system. It could even render the device inoperable.

NVD Source

Technical Analysis

CVE-2020-11623 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorPhysical
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

avertx4 product(s)
hd838 firmwarehd838hd438 firmwarehd438
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://unit42.paloaltonetworks.com/avertx-ip-cameras-vulnerabilities/
PATCHhttps://unit42.paloaltonetworks.com/avertx-ip-cameras-vulnerabilities/

All References (2)

→
https://unit42.paloaltonetworks.com/avertx-ip-cameras-vulnerabilities/Exploit · Patch · Third Party Advisory
→
https://unit42.paloaltonetworks.com/avertx-ip-cameras-vulnerabilities/Exploit · Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2020-11623
CVSS Score6.8 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedJul 23, 2020

Related CVEs (NVD-CWE-noinfo)

CVE-2015-3042
10.0
CVE-2014-2623
10.0
CVE-2008-4873
10.0
CVE-2011-0807
10.0
CVE-2017-3623
10.0
CVE-2015-5895
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-11623 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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