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ubuntucveUbuntu.comUB:CVE-2020-9488
HistoryApr 27, 2020 - 12:00 a.m.

CVE-2020-9488

2020-04-2700:00:00
ubuntu.com
ubuntu.com
20

3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.0%

JSON

Improper validation of certificate with host mismatch in Apache Log4j SMTP
appender. This could allow an SMTPS connection to be intercepted by a
man-in-the-middle attack which could leak any log messages sent through
that appender. Fixed in Apache Log4j 2.12.3 and 2.13.1

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchapache-log4j2< anyUNKNOWN
ubuntu20.04noarchapache-log4j2< 2.16.0-0.20.04.1UNKNOWN

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3.7 Low

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.0%

JSON
Related for UB:CVE-2020-9488
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