CVE-2018-3775

HIGH
8.8
CVSS Score
Published: August 12, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 01:57 AM UTC
1 product affected across 1 vendorNextcloud/server

Using Nextcloud Server by HackerOne?

Get instant alerts when new vulnerabilities affect Nextcloud Server - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8.8
Exploit prediction
EPSS 1%

Description

Improper Authentication in Nextcloud Server prior to version 12.0.3 would allow an attacker that obtained user credentials to bypass the 2 Factor Authentication.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 12.0.3
Affected range stops below 12.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_MISCIssue TrackingThird Party Advisory
https://hackerone.com/reports/248656
x_refsource_CONFIRMBroken LinkVendor Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2018-007

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card