Is CVE-2020-8154 in the CISA KEV catalog?

No. CVE-2020-8154 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-8154?

CVE-2020-8154 has a CVSS v3 base score of 7.7 (HIGH).

What is the EPSS score for CVE-2020-8154?

CVE-2020-8154 has an EPSS score of 1.77% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-8154?

Upgrade nextcloud server to 18.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2020-8154

HIGHEPSS 75th pctl

7.7

CVSS v3

NVD

Description

An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.

CWE-639Authorization Bypass Through User-Controlled Key

How to fix

Remediation Available

nextcloud serverNVD

Affected:>= 18.0.0, < 18.0.3Fixed in:18.0.3CVE-2020-8154derived 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

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.77%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Exploit1

hackerone.com

Vendor Advisory1

nextcloud.com

Other references5

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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.