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CVE
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CVE-2021-27216Date: (C)2021-05-06   (M)2023-12-22


Exim 4 before 4.94.2 has Execution with Unnecessary Privileges. By leveraging a delete_pid_file race condition, a local user can delete arbitrary files as root. This involves the -oP and -oPX options.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.3CVSS Score : 6.3
Exploit Score: 1.0Exploit Score: 3.4
Impact Score: 5.2Impact Score: 9.2
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: NONEAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28007-LFDIR.txt

CPE    1
cpe:/a:exim:exim
CWE    1
CWE-269
OVAL    3
oval:org.secpod.oval:def:1601571
oval:org.secpod.oval:def:71636
oval:org.secpod.oval:def:705987

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