What is CVE-2021-21736?

CVE-2021-21736 is a high-severity vulnerability in ZTE Zxhn Hs562, classified under Incorrect Default Permissions. CVSS score: 7.2/10. Published 2021-06-10.

How severe is CVE-2021-21736?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2021-21736 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in ZTE Zxhn Hs562

CVE-2021-21736

A smart camera product of ZTE is impacted by a permission and access control vulnerability. Due to the defect of user permission management by the cloud-end app, users whose sharing permissions have been revoked can still control the camera, such as restarting the camera, restoring factory settings, etc.. This affects ZXHN HS562 V1.0.0.0B2.0000, V1.0.0.0B3.0000E

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zte Zxhn_hs562
Zte Zxhn_hs562_firmware — versions 1.0.0.0b2.0000, 1.0.0.0b3.0000
N/a Zxhn Hs562 — versions V1.0.0.0B2.0000, V1.0.0.0B3.0000

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

n0-traces/cve_

References

psirt@zte.com.cn (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-21736?: CVE-2021-21736 is a high-severity vulnerability in ZTE Zxhn Hs562, classified under Incorrect Default Permissions. CVSS score: 7.2/10. Published 2021-06-10.
How severe is CVE-2021-21736?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-21736 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.