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ubuntucveUbuntu.comUB:CVE-2021-33620
HistoryMay 28, 2021 - 12:00 a.m.

CVE-2021-33620

2021-05-2800:00:00
ubuntu.com
ubuntu.com
17

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a
denial of service (affecting availability to all clients) via an HTTP
response. The issue trigger is a header that can be expected to exist in
HTTP traffic without any malicious intent by the server.

OSVersionArchitecturePackageVersionFilename
ubuntu21.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu22.04noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu20.04noarchsquid< 4.10-1ubuntu1.4UNKNOWN
ubuntu20.10noarchsquid< 4.13-1ubuntu2.2UNKNOWN
ubuntu21.04noarchsquid< 4.13-1ubuntu4.1UNKNOWN
ubuntu22.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu23.04noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu23.10noarchsquid< 4.13-10ubuntu1UNKNOWN
ubuntu16.04noarchsquid3< anyUNKNOWN
ubuntu18.04noarchsquid3< 3.5.27-1ubuntu1.11UNKNOWN

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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