CVE-2020-8189

CVSS V2 Low 3.5 CVSS V3 Medium 5.4

Description

A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt.

Overview

CVE ID
CVE-2020-8189

Assigner
support@hackerone.com

Vulnerability Status
Analyzed

Published Version
2020-08-21T21:15:11

Last Modified Date
2022-09-27T16:12:58

Weakness Enumerations

CWE	URL
CWE-79	http://cwe.mitre.org/data/definitions/79.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:nextcloud:desktop::::::::	1	OR		2.6.5

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
3.5

Severity
LOW

Exploitability Score
6.8

Impact Score
2.9

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
CHANGED

Confidentiality Impact
LOW

Availability Impact
NONE

Base Score
5.4

Base Severity
MEDIUM

Exploitability Score
2.3

Impact Score
2.7

References

Reference URL	Reference Tags
https://nextcloud.com/security/advisory/?id=NC-SA-2020-027	Vendor Advisory
https://hackerone.com/reports/685552	Exploit Third Party Advisory
https://security.gentoo.org/glsa/202009-09

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-8189
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8189

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:24:30				Added to TrackCVE
2022-12-04 21:24:36	cve-assignments@hackerone.com	support@hackerone.com	CVE Assigner	updated
2022-12-04 21:24:36	2020-08-21T21:15Z	2020-08-21T21:15:11	CVE Published Date	updated
2022-12-04 21:24:36		2022-09-27T16:12:58	CVE Modified Date	updated
2022-12-04 21:24:36		Analyzed	Vulnerability Status	updated