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nvd[email protected]NVD:CVE-2020-28026
HistoryMay 06, 2021 - 1:15 p.m.

CVE-2020-28026

2021-05-0613:15:09
[email protected]
web.nvd.nist.gov
5
exim
line delimiters
vulnerability
delivery status notification
orcpt
spool header
remote attackers
arbitrary commands

CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.009

Percentile

83.1%

JSON

Exim 4 before 4.94.2 has Improper Neutralization of Line Delimiters, relevant in non-default configurations that enable Delivery Status Notification (DSN). Certain uses of ORCPT= can place a newline into a spool header file, and indirectly allow unauthenticated remote attackers to execute arbitrary commands as root.

Affected configurations

Nvd
Node
eximeximRange4.00–4.94.2
VendorProductVersionCPE
eximexim*cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*

Related

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alpinelinux 1
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cvelist 1
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debian 3
gentoo 1
redos 27
qualysblog 1
thn 1
threatpost 1
suse 3
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CVSS2

9.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.009

Percentile

83.1%

JSON
Related for NVD:CVE-2020-28026
debiancve1veracode1ubuntucve1osv6alpinelinux1prion1cvelist1cve1nessus8amazon1openvas7ubuntu2debian3gentoo1redos27qualysblog1thn1threatpost1suse3