CVE-2021-27892

SSH Tectia Client and Server before 6.4.19 on Windows allow local privilege escalation. ConnectSecure on Windows is affected.

CVSS v3 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://info.ssh.com/tectia-vulnerability-cve-2021-27892	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:a:ssh:tectia_client::::::::
	cpe:2.3:a:ssh:tectia_connectsecure:-:::::::*
	cpe:2.3:a:ssh:tectia_server::::::::

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-269~~	NVD-CWE-noinfo

23 Mar 2021, 17:45

Type	Values Removed	Values Added
CPE		cpe:2.3:a:ssh:tectia_connectsecure:-:::::::*

22 Mar 2021, 14:51

Type	Values Removed	Values Added
CWE		CWE-269
CPE		cpe:2.3:a:ssh:tectia_server:::::::: cpe:2.3:a:ssh:tectia_client:::::::: cpe:2.3:o:microsoft:windows:-:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 7.8
References	~~(MISC) https://info.ssh.com/tectia-vulnerability-cve-2021-27892 -~~	(MISC) https://info.ssh.com/tectia-vulnerability-cve-2021-27892 - Vendor Advisory

15 Mar 2021, 15:53

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-03-15 15:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-27892

Mitre link : CVE-2021-27892

CVE.ORG link : CVE-2021-27892

JSON object : View

Products Affected

ssh

tectia_connectsecure
tectia_client
tectia_server

microsoft

windows

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-27892", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-03-15T15:15:15.760", "references": [{"url": "https://info.ssh.com/tectia-vulnerability-cve-2021-27892", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "SSH Tectia Client and Server before 6.4.19 on Windows allow local privilege escalation. ConnectSecure on Windows is affected."}, {"lang": "es", "value": "SSH Tectia Client and Server versiones anteriores a 6.4.19 en Windows, permiten una escalada de privilegios locales. ConnectSecure en Windows est\u00e1 afectado"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ssh:tectia_client:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F19AD707-E08D-4D78-AE68-46806EBABE3B", "versionEndExcluding": "6.4.19"}, {"criteria": "cpe:2.3:a:ssh:tectia_connectsecure:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "058495B9-2E81-4400-9A70-8E58A623BA5D"}, {"criteria": "cpe:2.3:a:ssh:tectia_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "18B662B1-6336-41F2-A5CA-55E875E43718", "versionEndExcluding": "6.4.19"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}