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ubuntucveUbuntu.comUB:CVE-2021-21374
HistoryMar 26, 2021 - 12:00 a.m.

CVE-2021-21374

2021-03-2600:00:00
ubuntu.com
ubuntu.com
13

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

53.3%

Nimble is a package manager for the Nim programming language. In Nim
release versions before versions 1.2.10 and 1.4.4, “nimble refresh” fetches
a list of Nimble packages over HTTPS without full verification of the
SSL/TLS certificate due to the default setting of httpClient. An attacker
able to perform MitM can deliver a modified package list containing
malicious software packages. If the packages are installed and used the
attack escalates to untrusted code execution.

6.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.002 Low

EPSS

Percentile

53.3%