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CVE-2021-40375

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of...

6.5 MediumPublic exploit

CVE-2021-40375 is a medium vulnerability (CVSS 6.5) in Apperta Openeyes, published April 6, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.65%, the 76th percentile. No source names a fixed version.

What does this mean?
Severity
6.5 MediumCVSS 3.1, NVD
Exploit chance
1.65%EPSS, 76th percentile
Exploitation
None known1 public exploit
Fixed in
No fix listedNo source names one

Description

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.65%Up 0.6 points since Apr 9, 2022
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
PoC in GitHubDCKento/CVE-2021-403752021-08-31

What each source reports

NVD Score used6.5

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Record
CVE-2021-40375
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
CVE ListNo score

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Record
CVE-2021-40375
Updated
2026-11-02
EUVDEUVD-2021-27552No score

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Record
EUVD-2021-27552
Updated
2026-11-03
GitHub AdvisoriesGHSA-6xm9-f4r8-qq696.5

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of...

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Record
GHSA-6xm9-f4r8-qq69
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV6.5

Apperta Foundation OpenEyes 3.5.1 allows remote attackers to view the sensitive information of patients without having the intended level of privilege. Despite OpenEyes returning a Forbidden error message, the contents of a patient's profile are still returned in the server response. This response can be read in an intercepting proxy or by viewing the page source. Sensitive information returned in responses includes patient PII and medication records or history.

Record
CVE-2021-40375
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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