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ubuntucveUbuntu.comUB:CVE-2021-3377
HistoryMar 05, 2021 - 12:00 a.m.

CVE-2021-3377

2021-03-0500:00:00
ubuntu.com
ubuntu.com
5
npm package ansi_up
ansi escape codes
html hyperlinks
insufficient url sanitization
cross-site scripting
xss vulnerability
bugs
debian
unix

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

48.0%

The npm package ansi_up converts ANSI escape codes into HTML. In ansi_up
v4, ANSI escape codes can be used to create HTML hyperlinks. Due to
insufficient URL sanitization, this feature is affected by a cross-site
scripting (XSS) vulnerability. This issue is fixed in v5.0.0.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchnode-ansi-up< anyUNKNOWN
ubuntu22.04noarchnode-ansi-up< anyUNKNOWN

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

48.0%