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HackeroneCVE-2020-8182

HistoryOct 05, 2020 - 2:15 p.m.

CVE-2020-8182

2020-10-0514:15:13

CWE-281

CWE-284

hackerone

web.nvd.nist.gov

cve-2020-8182

nextcloud deck 0.8.0

improper access control

nvd

reshare

security vulnerability

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

32.2%

JSON

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.

Affected configurations

Nvd

Vulners

Node

nextclouddeckMatch0.8.0

VendorProductVersionCPE
nextclouddeck0.8.0cpe:2.3:a:nextcloud:deck:0.8.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	deck	0.8.0	cpe:2.3:a:nextcloud:deck:0.8.0:::::::*

CNA Affected

[
  {
    "product": "Nextcloud Deck",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Fixed in 0.8.1"
      }
    ]
  }
]

References

hackerone.com/reports/827816

nextcloud.com/security/advisory/?id=NC-SA-2020-025

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

32.2%

JSON

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