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CVE-2021-22879

Good to know:

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Date: April 14, 2021

Nextcloud Desktop Client prior to 3.1.3 is vulnerable to resource injection by way of missing validation of URLs, allowing a malicious server to execute remote commands. User interaction is needed for exploitation.

Language: C++

Severity Score

Related Resources (10)

https://nextcloud.com/security/advisory/?id=NC-SA-2021-008
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-22879
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/
https://security.gentoo.org/glsa/202105-37
https://hackerone.com/reports/1078002
https://github.com/nextcloud/desktop/pull/2906
https://security-tracker.debian.org/tracker/CVE-2021-22879
https://nvd.nist.gov/vuln/detail/CVE-2021-22879
https://www.mend.io/vulnerability-database/CVE-2021-22879

Severity Score

Weakness Type (CWE)

Improper Control of Resource Identifiers ('Resource Injection')

CWE-99

Injection

CWE-74

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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