Is CVE-2018-3775 in the CISA KEV catalog?

No. CVE-2018-3775 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-3775?

CVE-2018-3775 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2018-3775?

CVE-2018-3775 has an EPSS score of 1.23% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-3775?

Upgrade nextcloud server to 12.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2018-3775

HIGH

8.8

CVSS v3

NVD

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.

CWE-287Improper Authentication

How to fix

Remediation Available

nextcloud serverNVD

Affected:< 12.0.3Fixed in:12.0.3CVE-2018-3775derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1

nextcloud.com

Third-Party Advisory1

hackerone.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.