CVE-2021-36721

Name: CVE-2021-36721
Creator: NVD / NIST
Published: 2021-12-14T14:15:09.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2021-36721 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Sysaid API User Enumeration - Attacker sending requests to specific api path without any authorization before 21.3.60 version could get users names from the LDAP server.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Sysaid API User Enumeration - Attacker sending requests to specific api path without any authorization before 21.3.60 version could get users names from the LDAP server.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.44%

35.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Sysaid	Application Programming Interface	< 21.3.60

References

https://www.gov.il/en/departments/faq/cve_advisoriesThird Party Advisory
https://www.gov.il/en/departments/faq/cve_advisoriesThird Party Advisory

Timeline

Published: Dec 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36721?

Sysaid API User Enumeration - Attacker sending requests to specific api path without any authorization before 21.3.60 version could get users names from the LDAP server.

How severe is CVE-2021-36721?

CVE-2021-36721 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36721?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36721?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST