CVE-2021-44795: Modifying User Permissions via Unauthorized Access in Single Connect

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-27 · updated 2026-06-17
Weakness: CWE-862

Description

Single Connect does not perform an authorization check when using the "sc-assigned-credential-ui" module. A remote attacker could exploit this vulnerability to modify users permissions. The exploitation of this vulnerability might allow a remote attacker to delete permissions from other users without authenticating.

Affected products

Kron Single Connect: before 2.16 — fixed in 2.16

How to fix

Upgrade to a fixed version: Kron Single Connect 2.16. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093
https://www.usom.gov.tr/bildirim/tr-22-0093
https://www.usom.gov.tr/bildirim/tr-22-0093

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