synced 8 MIN AGO
01 Record

CVE-2022-21758

In ccu, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for

UnratedPUBLISHEDCNA: MediaTek
CNA base scoreUnratedNo CNA CVSS vector

02 Description

In ccu, there is a possible memory corruption due to a double free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.11% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 1.3% of scored records. A rank, not a probability.
NVD base score
6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-06-06 17:40Z4 YR AGO
Last updated
2024-08-03 02:53Z2 YR AGO
Reserved
2021-11-26
Assigning CNA
MediaTek
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
e55a18b42894d96a175603872bf73f3ce4c4cda13d19cfd62043895e133222b3

05 Affected products

VendorProductVersionsPlatforms
MediaTek, Inc.MT6833, MT6853, MT6873, MT6877, MT6885, MT6893Android 11.0, 12.0—

06 References