CVE-2020-8118

openSUSE Security Advisory - openSUSE-SU-2020:0229-1

Severity Score

5.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Un ataque de tipo server-side request forgery autenticado en Nextcloud versión 16.0.1, permitió detectar servicios locales y remotos al agregar una nueva suscripción en la aplicación calendar.

An update that fixes 6 vulnerabilities is now available. This update for nextcloud fixes the following issues. Nextcloud was updated to 15.0.14. On the file extension when checking file mimetypes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled admins to create users with IDs of system folders previews and files when a file-drop share link is opened via the gallery app forgery allowed to detect local and remote services when adding a new subscription in the calendar application sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link nextcloud was updated to 13.0.12. This update was imported from the openSUSE:Leap:15.1:Update update project.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-01-28 CVE Reserved
2020-02-04 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-07-05 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-918: Server-Side Request Forgery (SSRF)

CAPEC

References (4)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/427835	2024-08-04

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html	2021-12-22
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html	2021-12-22
https://nextcloud.com/security/advisory/?id=NC-SA-2019-014	2021-12-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				< 15.0.9 Search vendor "Nextcloud" for product "Nextcloud Server" and version " < 15.0.9"		-		Affected
Nextcloud Search vendor "Nextcloud"		Nextcloud Server Search vendor "Nextcloud" for product "Nextcloud Server"				>= 16.0.0 < 16.0.2 Search vendor "Nextcloud" for product "Nextcloud Server" and version " >= 16.0.0 < 16.0.2"		-		Affected
Opensuse Search vendor "Opensuse"		Backports Sle Search vendor "Opensuse" for product "Backports Sle"				15.0 Search vendor "Opensuse" for product "Backports Sle" and version "15.0"		sp1		Affected
Novell Search vendor "Novell"		Suse Linux Enterprise Server Search vendor "Novell" for product "Suse Linux Enterprise Server"				12.0 Search vendor "Novell" for product "Suse Linux Enterprise Server" and version "12.0"		-		Affected