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CVE-2021-40537

15
FAUCET Score

CVE-2021-40537 is a Server Side Request Forgery (SSRF) vulnerability affecting ownCloud's user_ldap application versions prior to 0.15.4. This low-severity vulnerability requires administrative privileges for exploitation and has a CVSS score of 2.7. While it could lead to limited information disclosure, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.15.4CPE matchmatch criteria
cpe:2.3:a:owncloud:user_ldap:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.7LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 72nd percentile among its peer group of 708 CVEs.

Social Chatter

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

owncloud.com / security-advisories/cve-2021-40537
Vendor Advisory