CVE-2021-35949

FAUCET Score

CVE-2021-35949 is a medium-severity vulnerability affecting ownCloud Server versions prior to 10.8.0, allowing an unauthenticated attacker to bypass permission checks on "upload only" shares and list metadata. With a CVSS score of 5.3, this vulnerability has a low impact on confidentiality, requiring no user interaction or privileges. There is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 10.8.0CPE matchmatch criteria	cpe:2.3:a:owncloud:owncloud::::::::

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

1.4

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.91%

Probability of exploitation in next 30 days

EPSS Percentile

56.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0091 is in the 35th percentile among its peer group of 23,725 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

doc.owncloud.com / server/admin_manual/release_notes.html

Release NotesVendor Advisory

owncloud.com / security-advisories/cve-2021-35949

Vendor Advisory