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CVE-2022-21744: mediatek lr11 Out-of-bounds Write

CVSS: 10.0v2.0HighModified
Published 06-07-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-21744 is a high (CVSS 10.0) Out-of-bounds Write vulnerability in mediatek lr11. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
3.44%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-07-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

In Modem 2G RR, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution when decoding GPRS Packet Neighbour Cell Data (PNCD) improper neighbouring cell size with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00810064; Issue ID: ALPS06641626.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.44%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

+0.10 pp

From 3.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mediatek7 products

1 vendor · 7 products

References

1 links