CVE-2021-33106
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user...
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user to potentially enable escalation of privilege via local access.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user to potentially enable escalation of privilege via local access.
- Record
CVE-2021-33106- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE ListNo score
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user to potentially enable escalation of privilege via local access.
- Record
CVE-2021-33106- Updated
- 2026-11-02
EUVDEUVD-2021-19821No score
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user to potentially enable escalation of privilege via local access.
- Record
EUVD-2021-19821- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fp6-qmm6-f5v4No score
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user...
Integer overflow in the Safestring library maintained by Intel(R) may allow an authenticated user to potentially enable escalation of privilege via local access.
- Record
GHSA-4fp6-qmm6-f5v4- Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-33106 is a high vulnerability (CVSS 7.8) in Intel Safestring Library, published November 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 15th percentile. No source names a fixed version.