CVE-2021-44795

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093
https://www.usom.gov.tr/bildirim/tr-22-0093	Third Party Advisory
https://www.usom.gov.tr/bildirim/tr-22-0093	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-01-27 13:15

Updated : 2026-06-17 04:12

NVD link : CVE-2021-44795

Mitre link : CVE-2021-44795

CVE.ORG link : CVE-2021-44795

JSON object : View

Products Affected

krontech

single_connect

CWE

CWE-862

Missing Authorization

{"id": "CVE-2021-44795", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "iletisim@usom.gov.tr", "affectedData": [{"vendor": "Kron", "product": "Single Connect", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "2.16", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2022-01-27T13:15:08.007", "references": [{"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-22-0093", "source": "iletisim@usom.gov.tr"}, {"url": "https://www.usom.gov.tr/bildirim/tr-22-0093", "tags": ["Third Party Advisory"], "source": "iletisim@usom.gov.tr"}, {"url": "https://www.usom.gov.tr/bildirim/tr-22-0093", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "iletisim@usom.gov.tr", "description": [{"lang": "en", "value": "CWE-862"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Single Connect no lleva a cabo una comprobaci\u00f3n de autorizaci\u00f3n cuando es usado el m\u00f3dulo \"sc-assigned-credential-ui\". Un atacante remoto podr\u00eda aprovechar esta vulnerabilidad para modificar los permisos de los usuarios. La explotaci\u00f3n de esta vulnerabilidad podr\u00eda permitir a un atacante remoto eliminar los permisos de otros usuarios sin autenticarse"}], "lastModified": "2026-06-17T04:12:51.530", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:krontech:single_connect:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "17FCFA54-8B9D-4A06-8776-9B79A20C42CB", "versionEndExcluding": "2.16"}], "operator": "OR"}]}], "sourceIdentifier": "iletisim@usom.gov.tr"}