CVE-2021-3721
CVE-2021-3721 is a medium-severity vulnerability in Lenovo Pcmanager with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.9
- EPSS exploit prediction: 0% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Lenovo Pcmanager
- Published:
- Last modified:
Description
A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.20.10282 that could allow an attacker with local access to trigger a blue screen error.
Frequently asked questions
- What is CVE-2021-3721?
- A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.20.10282 that could allow an attacker with local access to trigger a blue screen error.
- How severe is CVE-2021-3721?
- CVE-2021-3721 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-3721 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-3721?
- CVE-2021-3721 affects Lenovo Pcmanager. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-3721?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-3721 published?
- CVE-2021-3721 was published on 2022-04-22 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:lenovo:pcmanager:*:*:*:*:*:*:*:*
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