CVE-2021-27216

2021-05-0400:00:00

ubuntu.com

6.3 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

6.3 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:N/I:C/A:C

0.0004 Low

EPSS

Percentile

5.1%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchexim4< 4.90.1-1ubuntu1.8UNKNOWN
ubuntu20.04noarchexim4< 4.93-13ubuntu1.5UNKNOWN
ubuntu20.10noarchexim4< 4.94-7ubuntu1.2UNKNOWN
ubuntu21.04noarchexim4< 4.94-15ubuntu1.2UNKNOWN
ubuntu21.10noarchexim4< 4.94-15ubuntu1.2UNKNOWN
ubuntu22.04noarchexim4< 4.94-15ubuntu1.2UNKNOWN
ubuntu14.04noarchexim4< 4.82-3ubuntu2.4+esm3UNKNOWN
ubuntu16.04noarchexim4< 4.86.2-2ubuntu2.6+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	exim4	< 4.90.1-1ubuntu1.8	UNKNOWN
ubuntu	20.04	noarch	exim4	< 4.93-13ubuntu1.5	UNKNOWN
ubuntu	20.10	noarch	exim4	< 4.94-7ubuntu1.2	UNKNOWN
ubuntu	21.04	noarch	exim4	< 4.94-15ubuntu1.2	UNKNOWN
ubuntu	21.10	noarch	exim4	< 4.94-15ubuntu1.2	UNKNOWN
ubuntu	22.04	noarch	exim4	< 4.94-15ubuntu1.2	UNKNOWN
ubuntu	14.04	noarch	exim4	< 4.82-3ubuntu2.4+esm3	UNKNOWN
ubuntu	16.04	noarch	exim4	< 4.86.2-2ubuntu2.6+esm1	UNKNOWN