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HackeroneCVE-2020-8156

HistoryMay 12, 2020 - 1:15 p.m.

CVE-2020-8156

2020-05-1213:15:13

CWE-295

hackerone

web.nvd.nist.gov

nextcloud mail

tls

host verification

cve-2020-8156

nvd

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

LOW

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

AI Score

Confidence

High

EPSS

0.001

Percentile

50.0%

JSON

A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack.

Affected configurations

Nvd

Vulners

Node

nextcloudnextcloud_mailRange<1.1.4

Node

fedoraprojectfedoraMatch32

VendorProductVersionCPE
nextcloudnextcloud_mail*cpe:2.3:a:nextcloud:nextcloud_mail:*:*:*:*:*:*:*:*
fedoraprojectfedora32cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
nextcloud	nextcloud_mail	*	cpe:2.3:a:nextcloud:nextcloud_mail::::::::
fedoraproject	fedora	32	cpe:2.3:o:fedoraproject:fedora:32:::::::*

CNA Affected

[
  {
    "product": "Nextcloud Mail",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "1.1.4"
      }
    ]
  }
]