7.8

CVE-2021-32484: mediatek modem Out-of-bounds Write

CVSS: 7.8v2.0HighModified
Published 09-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-32484 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in mediatek modem. EPSS estimates a 2.35% chance of exploitation in the next 30 days, higher than 83.4% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.35%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00500621; Issue ID: ALPS04964917.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.35%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

0.00 pp

From 2.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.35%

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

Mediatek1 product

1 vendor · 1 product

References

1 links