Veille CVE
CVE-2021-21551
7.8 Élevée Exploitée activementCatalogue CISA KEV — Dell dbutil Driver Insufficient Access Control Vulnerability
Ajoutée le 31/03/2022 · Échéance de correction (agences US) : 21/04/2022
Action requise : Apply updates per vendor instructions.
Description
Dell dbutil_2_3.sys driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.8 Élevée | security_alert@emc.com | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | 7.8 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | 4.6 Moyenne | nvd@nist.gov (NVD) | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Faiblesses (CWE)
Références
- http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability MitigationVendor Advisory
- http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html ExploitThird Party AdvisoryVDB Entry
- https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability MitigationVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21551 US Government Resource