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CVE-2021-44537

27
FAUCET Score

CVE-2021-44537 is a resource injection vulnerability in ownCloud desktop client versions prior to 2.9.2, affecting ownCloud and Fedora distributions. This high-severity flaw (CVSS 7.8) allows a malicious server to inject a URL into the client, potentially leading to remote code execution on the user's system, requiring user interaction for exploitation. While the vulnerability has a high potential impact, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.9.2CPE matchmatch criteria
cpe:2.3:a:owncloud:owncloud_desktop_client:*:*:*:*:*:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.75%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0275 is in the 85th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/STKTSNYBZPXBGJOCDAMCZPRXJLAYGDMO
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/TSZNJFGM66LJONBQFYYQL4GD5XI5QO2Y
owncloud.com / security-advisories/cve-2021-44537
Vendor Advisory