CVE-2021-41617

7.0 HIGH
Published: September 26, 2021 Modified: May 12, 2026
View on NVD

Description

sshd in OpenSSH 6.2 through 8.x before 8.8, when certain non-default configurations are used, allows privilege escalation because supplemental groups are not initialized as expected. Helper programs for AuthorizedKeysCommand and AuthorizedPrincipalsCommand may run with privileges associated with group memberships of the sshd process, if the configuration specifies running the command as a different user.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1190975
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
Source: cve@mitre.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
Source: cve@mitre.org
https://security.netapp.com/advisory/ntap-20211014-0004/
Source: cve@mitre.org
Third Party Advisory
https://www.debian.org/security/2023/dsa-5586
Source: cve@mitre.org
https://www.openssh.com/security.html
Source: cve@mitre.org
Vendor Advisory
https://www.openssh.com/txt/release-8.8
Source: cve@mitre.org
Release Notes Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/09/26/1
Source: cve@mitre.org
Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: cve@mitre.org
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Source: cve@mitre.org
Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220805-0001/
Source: cve@mitre.org
Third Party Advisory
https://www.tenable.com/plugins/nessus/154174
Source: cve@mitre.org
https://bugzilla.suse.com/show_bug.cgi?id=1190975
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.netapp.com/advisory/ntap-20211014-0004/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2023/dsa-5586
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.openssh.com/security.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.openssh.com/txt/release-8.8
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Vendor Advisory
https://www.openwall.com/lists/oss-security/2021/09/26/1
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.starwindsoftware.com/security/sw-20220805-0001/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.tenable.com/plugins/nessus/154174
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

29 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.0 / 10.0
EPSS (Exploit Probability)
2.4%
82th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

starwindsoftware fedoraproject openbsd netapp oracle