TI-2021-05740 Aliases CVE-2021-22879 GHSA-vrvw-x9cv-3j76

Injection in Nextcloud Desktop Client

MEDIUM 46CWE-99Published 2021-04-14 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.05036 92nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Nextcloud Desktop Client	Fixed in 3.1.3	—	No fix listed	CNA

Nextcloud Desktop Client Vendor— Affected Fixed in 3.1.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:nextcloud:desktop::::::::	before 3.1.3	Vulnerable	nextcloud
cpe:2.3:o:fedoraproject:fedora:33:::::::*	33	Vulnerable	Fedoraproject

cpe:2.3:a:nextcloud:desktop:*:*:*:*:*:*:*:* Versions before 3.1.3 Vulnerable ·nextcloud
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2021-22879
2026-10-03 Alias added: GHSA-vrvw-x9cv-3j76

References

Exploit 1

https://hackerone.com/reports/1078002

Patch 1

https://github.com/nextcloud/desktop/pull/2906

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences