SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-21732

A mobile phone of ZTE is impacted by improper access control vulnerability.

HIGH 7.5EPSS 1.00%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A mobile phone of ZTE is impacted by improper access control vulnerability. Due to improper permission settings, third-party applications can read some files in the proc file system without authorization. Attackers could exploit this vulnerability to obtain sensitive information. This affects Axon 11 5G ZTE/CN_P725A12/P725A12:10/QKQ1.200816.002/20201116.175317:user/release-keys.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
1.00% probability · 63th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
zte/axon 11 5g firmware
Source
psirt@zte.com.cn
EPSS trend
0%3%5%26 October 2026: 1.00%26 October 202626 October 2026

EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.