Cyber Resilience

CVE-2021-39316

HighPublic PoC

Published: 31 August 2021

Published
31 August 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.9353 99.8th percentile
Risk Priority 71 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-39316 is a high-severity Path Traversal (CWE-22) vulnerability in Digitalzoomstudio Zoomsounds. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 0.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The Zoomsounds plugin <= 6.45 for WordPress allows arbitrary files, including sensitive configuration files such as wp-config.php, to be downloaded via the `dzsap_download` action using directory traversal in the `link` parameter.

CWE(s)

Related Threats

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

Affected Assets

digitalzoomstudio
zoomsounds
≤ 6.45

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