High severity · published Mar 7, 2022
CVE-2021-4199
Incorrect Permission Assignment for Critical Resource vulnerability in the crash handling component BDReinit.exe as used in Bitdefender Total Security, Internet Security,…
7.8
CVSS
0.8%
EPSS
No
On KEV
Description
Incorrect Permission Assignment for Critical Resource vulnerability in the crash handling component BDReinit.exe as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools for Windows allows a remote attacker to escalate local privileges to SYSTEM. This issue affects: Bitdefender Total Security versions prior to 26.0.10.45. Bitdefender Internet Security versions prior to 26.0.10.45. Bitdefender Antivirus Plus versions prior to 26.0.10.45. Bitdefender Endpoint Security Tools for Windows versions prior to 7.4.3.146.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 55% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
Antivirus Plus · Bitdefender
before 26.0.3.29 · source: NVD
ES
Endpoint Security Tools · Bitdefender
before 7.4.3.146 · source: NVD
IS
Internet Security · Bitdefender
before 26.0.3.29 · source: NVD
TS
Total Security · Bitdefender
before 26.0.3.29 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4199
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4199
Vendor Advisory
https://www.bitdefender.com/support/security-advisories/incorrect-permission-assignment-for-critical-resource-vulnerability-in-bdreinit-exe-va-10017/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-484/
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