In Nextcloud Desktop Client 3.13.1 through 3.13.3 on Linux, synchronized files (between the server and client) may become world writable or world readable. This is fixed in 3.13.4.
Conclusion & alert: CVE-2024-46958 is rated Moderate Risk (51.6/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.57%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.14% | 0.57% | +0.42% |
| 2 | 2025-11-21 | 0.32% | 0.14% | -0.18% |
| 3 | 2025-11-18 | — | 0.32% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2024-46958 unimportant priority: Debian including 1 source packages (nextcloud-desktop), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2024-46958 |
ubuntu
|
medium | CVE-2024-46958 medium priority: Ubuntu including 1 source packages (nextcloud-desktop), 7 status rows across 7 suites (focal, jammy, noble, oracular, plucky, questing, upstream): needs-triage 5, ignored 2. | https://ubuntu.com/security/CVE-2024-46958 |
| URL | Tags |
|---|---|
| https://github.com/nextcloud/desktop/compare/v3.13.3...v3.13.4 | Patch |
| https://github.com/nextcloud/desktop/issues/6863 | Issue Tracking |
| https://github.com/nextcloud/desktop/pull/6949 | Issue Tracking |
| https://github.com/nextcloud/desktop/pull/7092 | Patch |
| https://github.com/nextcloud/security-advisories/security/advisories | Third Party Advisory |