CVE-2021-3721
A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.20.10282...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-3721- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2021-27001
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.
- Record
EUVD-2021-27001- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j8c3-7w65-qf2g
A denial of service vulnerability was reported in Lenovo PCManager prior to version 4.0.20.10282...
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.
- Record
GHSA-j8c3-7w65-qf2g- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-3721- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-3721 is a medium vulnerability (CVSS 5.5) in Honor Pcmanager, published April 22, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.