Encryption bypass vulnerability in Maintenance mode.

published 2023-07-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-33542

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits: 0; none known

Encryption bypass vulnerability in Maintenance mode. Successful exploitation of this vulnerability may affect service confidentiality.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 23 mo ago (2024-11-19)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Huawei HarmonyOS
Huawei EMUI

Classification

Weakness

CWE-701 Weaknesses Introduced During Design

References

consumer.huawei.com /en/support/bulletin/2023/7/
vendor-advisory
device.harmonyos.com /en/docs/security/update/security-bulletins-202307-0000001587168858
vendor-advisory

Sources

CVE List CVE-2021-46892
NVD CVE-2021-46892

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary