CVE-2020-8118: SSRF

Q: What is CVE-2020-8118?

CVE-2020-8118 is an authenticated server-side request forgery vulnerability in Nextcloud server 16.0.1.

Q: How does CVE-2020-8118 affect Nextcloud server?

CVE-2020-8118 allows an attacker to detect local and remote services when adding a new subscription in the calendar application.

Q: What is the severity of CVE-2020-8118?

CVE-2020-8118 has a severity rating of medium (5).

Q: Which software versions are affected by CVE-2020-8118?

Nextcloud Server versions up to 15.0.9 and between 16.0.0 to 16.0.2 are affected by CVE-2020-8118. openSUSE Backports SLE 15.0-sp1 and Novell Suse Linux Enterprise Server 12.0 are also affected.

Q: How can I fix CVE-2020-8118?

Apply the latest security patches or update to a version of Nextcloud Server that is not affected by CVE-2020-8118.

Published Feb 4, 2020

Updated

An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application.

Affected Software

4 affected components

Nextcloud NextCloud Server<15.0.9

Nextcloud NextCloud Server>=16.0.0<16.0.2

openSUSE Backports=15.0-sp1

Novell Suse Linux Enterprise Server=12.0

Event History

Feb 4, 2020

CVE Published

via MITRE·07:08 PM

Data Sourced

via MITRE·07:08 PM

DescriptionWeakness

Frequently Asked Questions

What is CVE-2020-8118?

CVE-2020-8118 is an authenticated server-side request forgery vulnerability in Nextcloud server 16.0.1.

How does CVE-2020-8118 affect Nextcloud server?

CVE-2020-8118 allows an attacker to detect local and remote services when adding a new subscription in the calendar application.

What is the severity of CVE-2020-8118?

CVE-2020-8118 has a severity rating of medium (5).

Which software versions are affected by CVE-2020-8118?

Nextcloud Server versions up to 15.0.9 and between 16.0.0 to 16.0.2 are affected by CVE-2020-8118. openSUSE Backports SLE 15.0-sp1 and Novell Suse Linux Enterprise Server 12.0 are also affected.

How can I fix CVE-2020-8118?

Apply the latest security patches or update to a version of Nextcloud Server that is not affected by CVE-2020-8118.

CVSS Score

5.0Medium

Medium Severity

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

Security Metrics

Risk Score26

Severitymedium(5)

CWE

918

Timeline

PublishedFeb 4, 2020

Updated

References

Company

Resources

Contact

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