CVE-2021-32484
CVE-2021-32484 is a high-severity vulnerability in Mediatek Modem with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Mediatek Modem
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-32484?
- 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.
- How severe is CVE-2021-32484?
- CVE-2021-32484 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-32484 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-32484?
- CVE-2021-32484 primarily affects Mediatek Modem. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-32484?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-32484 published?
- CVE-2021-32484 was published on 2021-09-09 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:o:mediatek:modem:lr12a:*:*:*:*:*:*:*
- cpe:2.3:o:mediatek:modem:lr13:*:*:*:*:*:*:*
More vulnerabilities in Mediatek Modem
- CVE-2021-32487 — High (CVSS 7.5): In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of…
- CVE-2021-32486 — High (CVSS 7.5): In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of…
- CVE-2021-32485 — High (CVSS 7.5): In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of…
All CVEs affecting Mediatek Modem →
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