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MitreCVE-2021-34817

HistoryJul 19, 2021 - 2:15 p.m.

CVE-2021-34817

2021-07-1914:15:08

CWE-79

mitre

web.nvd.nist.gov

cve-2021-34817

cross-site scripting

xss

etherpad 1.8.13

remote attack

javascript injection

html injection

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

AI Score

5.9

Confidence

High

EPSS

0.002

Percentile

56.3%

JSON

A Cross-Site Scripting (XSS) issue in the chat component of Etherpad 1.8.13 allows remote attackers to inject arbitrary JavaScript or HTML by importing a crafted pad.

Affected configurations

Nvd

Node

etherpadetherpadMatch1.8.13

VendorProductVersionCPE
etherpadetherpad1.8.13cpe:2.3:a:etherpad:etherpad:1.8.13:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
etherpad	etherpad	1.8.13	cpe:2.3:a:etherpad:etherpad:1.8.13:::::::*

References

blog.sonarsource.com/etherpad-code-execution-vulnerabilities

etherpad.org/#download

github.com/ether/etherpad-lite/commit/a7968115581e20ef47a533e030f59f830486bdfa

github.com/ether/etherpad-lite/releases/tag/1.8.14

Social References

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

AI Score

5.9

Confidence

High

EPSS

0.002

Percentile

56.3%

JSON

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