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ubuntucveUbuntu.comUB:CVE-2020-9490
HistoryAug 07, 2020 - 12:00 a.m.

CVE-2020-9490

2020-08-0700:00:00
ubuntu.com
ubuntu.com
52

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.006 Low

EPSS

Percentile

78.3%

JSON

Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for
the ‘Cache-Digest’ header in a HTTP/2 request would result in a crash when
the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring
the HTTP/2 feature via “H2Push off” will mitigate this vulnerability for
unpatched servers.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchapache2< 2.4.29-1ubuntu4.14UNKNOWN
ubuntu20.04noarchapache2< 2.4.41-4ubuntu3.1UNKNOWN

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.006 Low

EPSS

Percentile

78.3%

JSON
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