CVE-2020-8182

CVSS V2 Medium 6 CVSS V3 High 8

Description

Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

Overview

CVE ID
CVE-2020-8182

Assigner
support@hackerone.com

Vulnerability Status
Analyzed

Published Version
2020-10-05T14:15:13

Last Modified Date
2020-10-14T13:48:27

Weakness Enumerations

CWE	URL
CWE-281	http://cwe.mitre.org/data/definitions/281.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:nextcloud:deck:0.8.0:::::::*	1	OR

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
SINGLE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
6

Severity
MEDIUM

Exploitability Score
6.8

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8

Base Severity
HIGH

Exploitability Score
2.1

Impact Score
5.9

References

Reference URL	Reference Tags
https://hackerone.com/reports/827816	Exploit Third Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-025	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-8182
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8182

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:08:53				Added to TrackCVE
2022-12-04 23:43:35	cve-assignments@hackerone.com	support@hackerone.com	CVE Assigner	updated
2022-12-04 23:43:35	2020-10-05T14:15Z	2020-10-05T14:15:13	CVE Published Date	updated
2022-12-04 23:43:35		2020-10-14T13:48:27	CVE Modified Date	updated
2022-12-04 23:43:35		Analyzed	Vulnerability Status	updated