Cyber Resilience

CVE-2022-45426

Medium

Published: 27 December 2022

Published
27 December 2022
Modified
14 April 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0010 27.2th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-45426 is a medium-severity Files or Directories Accessible to External Parties (CWE-552) vulnerability in Dahuasecurity Dss Express. Its CVSS base score is 6.5 (Medium).

Operationally, ranked at the 27.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Some Dahua software products have a vulnerability of unrestricted download of file. After obtaining the permissions of ordinary users, by sending a specific crafted packet to the vulnerable interface, an attacker can download arbitrary files.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

dahuasecurity
dss express
7.002.1760000.2, 8.0.2, 8.0.4, 8.1, 8.1.1
dahuasecurity
dss professional
7.002.1760000.2, 8.0.2, 8.0.4, 8.1, 8.1.1
dahuasecurity
dhi-dss7016d-s2 firmware
1.001.0000001.2, 8.0.2, 8.0.4, 8.1
dahuasecurity
dhi-dss7016dr-s2 firmware
1.001.0000001.2, 8.0.2, 8.0.4, 8.1
dahuasecurity
dhi-dss4004-s2 firmware
1.001.0000001.2, 8.0.2, 8.0.4, 8.1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-552

Controls on authorized publication limit files and directories with nonpublic data from becoming accessible to external parties.

addresses: CWE-552

Controlling and documenting P2P file sharing prevents files and directories from being made accessible to external parties for unauthorized distribution.

addresses: CWE-552

Identifying and documenting file and directory locations allows restriction of access to external parties.

addresses: CWE-552

Protecting backup files ensures they are not accessible to external parties or unauthorized spheres.

addresses: CWE-552

Sanitizing equipment before off-site maintenance reduces the risk of files or directories containing sensitive data becoming accessible to external parties.

addresses: CWE-552

Policy restricts media access to authorized parties only, preventing exposure of resources to external or unauthorized actors.

addresses: CWE-552

Media access restrictions prevent files or directories from being accessible to external parties.

addresses: CWE-552

Employing and evaluating controls at documented alternate sites makes files and directories less likely to be accessible to external parties through physical or environmental weaknesses.

References