High 7.0Published Sep 25, 2021

CVE-2021-41617sshd 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.

Updated under an hour ago (Oct 27, 2026, 10:00 PM ET)

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It affects Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP and 14 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP

Exploited in the last 30 days

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.

CVSS: 7.0 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mitre
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.5	CISA ADP
openbsd openssh openbsd:openssh	from 6.2 before 8.8	NVD
fedoraproject fedora fedoraproject:fedora	33; 34; 35	NVD
netapp active_iq_unified_manager netapp:active_iq_unified_manager	all versions	NVD
netapp clustered_data_ontap netapp:clustered_data_ontap	all versions	NVD
netapp hci_management_node netapp:hci_management_node	all versions	NVD
netapp ontap_select_deploy_administration_utility netapp:ontap_select_deploy_administration_utility	all versions	NVD
netapp solidfire netapp:solidfire	all versions	NVD
1–10 of 15

References

References

https://www.openssh.com/security.html	vendor-advisory
https://www.openwall.com/lists/oss-security/2021/09/26/1	mailing-list, third-party-advisory
https://www.openssh.com/txt/release-8.8	release-notes, vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6XJIONMHMKZDTMH6BQR5TNLF2WDCGWED/	vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W44V2PFQH5YLRN6ZJTVRKAD7CU6CYYET/	vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KVI7RWM2JLNMWTOFK6BDUSGNOIPZYPUT/	vendor-advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	patch, third-party-advisory
https://bugzilla.suse.com/show_bug.cgi?id=1190975	issue-tracking, patch, third-party-advisory
https://security.netapp.com/advisory/ntap-20211014-0004/	third-party-advisory
https://www.oracle.com/security-alerts/cpujul2022.html	third-party-advisory
1–10 of 17

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.