9.8

CVE-2023-20819: mediatek lr11 Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
Published 02-10-2023Last modified 21-09-2024
Open JSON

Vulnerability summary

CVE-2023-20819 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in mediatek lr11. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.68%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-10-2023
    PublishedVulnerability first disclosed.
  2. 21-09-2024
    Last modifiedVulnerability information updated.

Description

In CDMA PPP protocol, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privilege needed. User interaction is not needed for exploitation. Patch ID: MOLY01068234; Issue ID: ALPS08010003.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.07 pp

From 0.61% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.68%

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

Mediatek6 products

1 vendor · 6 products

References

1 links