CVE-2021-22879
HIGH
8.8
CVSS Score
Published: April 14, 2021 at 12:41 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
2 products affected across 2 vendorsFedoraDesktop
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Severity
HIGH8.8
Exploit prediction
EPSS 5%
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (5)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/nextcloud/desktop/pull/2906x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/1078002Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTWBJAS5DJJIK7LLVBZZQTSJASUVIRVE/x_refsource_MISCVendor Advisory
Source: [email protected]
https://nextcloud.com/security/advisory/?id=NC-SA-2021-008Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202105-37CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-99CWE-74
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