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cve[email protected]CVE-2020-28021
HistoryMay 06, 2021 - 1:15 p.m.

CVE-2020-28021

2021-05-0613:15:00
NVD-CWE-Other
[email protected]
web.nvd.nist.gov
1105
cve-2020-28021
exim
remote code execution
authentication
smtp
security vulnerability

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

64.4%

JSON

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters. An authenticated remote SMTP client can insert newline characters into a spool file (which indirectly leads to remote code execution as root) via AUTH= in a MAIL FROM command.

CPENameOperatorVersion
exim:eximeximlt4.94.2

Related

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gentoo 1
ubuntu 1
threatpost 1
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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

9 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

64.4%

JSON
Related for CVE-2020-28021
prion1veracode1osv4debiancve1alpinelinux1ubuntucve1amazon1nessus7openvas6debian3redos11qualysblog1thn1gentoo1ubuntu1threatpost1suse3