CVE-2016-8858

highPriorität · beachten · 50EPSS 0.295 · 98. PerzentilExploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

29.5% (98th) EPSS

CVSS 7.8 · high

Is it mine?

30 products

Prüfe deine Angriffsfläche

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-26

The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenSCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)siemens_psirt
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)siemens_psirt
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)siemens_psirt
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)siemens_psirt
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)siemens_psirt
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)cisa_csaf_ot
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)cisa_csaf_ot
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)cisa_csaf_ot
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)cisa_csaf_ot
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
BehobenSCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)cisa_csaf_ot
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/
MitigationSCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)siemens_psirt
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)siemens_psirt
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)siemens_psirt
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)siemens_psirt
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)siemens_psirt
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)cisa_csaf_ot
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)cisa_csaf_ot
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)cisa_csaf_ot
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)cisa_csaf_ot
Deactivate the webserver if not required, and if deactivation is supported by the product
MitigationSCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)cisa_csaf_ot
Deactivate the webserver if not required, and if deactivation is supported by the product

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 6.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Csecondary · FSTEC (BDU) RU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HsecondaryAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-399USprimärCWE-399USCWE-399USCWE-400USCWE-401US

Exploits (1)

Öffentlicher Proof-of-Concept- und Exploit-Code.

dag-erling/kexkillProof of concept for CVE-2016-8858PoC · poc_in_github

betroffene Produkte (30)

Betroffene Produkte und Versionsbereiche.

Dell NetWorker virtualalle Versionencert_bundDEcpe:/a:dell:networker:virtual
EMC Avamaralle Versionencert_bundDEcpe:/a:emc:avamar:-
IBM AIXalle Versionencert_bundDEcpe:/o:ibm:aix:-
IBM VIOSalle Versionencert_bundDEcpe:/a:ibm:vios:-
NetApp Data ONTAPalle Versionencert_bundDEcpe:/a:netapp:data_ontap:-
Open Source OpenSSHalle Versionencert_bundDEcpe:/a:openbsd:openssh:-
SUSE Linuxalle Versionencert_bundDEcpe:/o:suse:suse_linux:-
SCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)alle Versionencisa_csaf_otUS
SCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)alle Versionencisa_csaf_otUS
SCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)alle Versionencisa_csaf_otUS
SCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)alle Versionencisa_csaf_otUS
SCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)alle Versionencisa_csaf_otUS
Siemens SCALANCE X204RNA (HSR) (6GK5204-0BA00-2MB2)< V3.2.7cisa_csaf_otUS
Siemens SCALANCE X204RNA (PRP) (6GK5204-0BA00-2KB2)< V3.2.7cisa_csaf_otUS
Siemens SCALANCE X204RNA EEC (HSR) (6GK5204-0BS00-2NA3)< V3.2.7cisa_csaf_otUS
Siemens SCALANCE X204RNA EEC (PRP) (6GK5204-0BS00-3LA3)< V3.2.7cisa_csaf_otUS
Siemens SCALANCE X204RNA EEC (PRP/HSR) (6GK5204-0BS00-3PA3)< V3.2.7cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
The OpenBSD Project OpenSSH≤ 7.3fstec_bduRU
openbsd openssh= 6.8nvdUScpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*

20 von 30 angezeigt

Advisories (3)

Hersteller- und Ökosystem-Meldungen dazu.

SSA-412672SSA-412672: Multiple OpenSSL and OpenSSH Vulnerabilities in SCALANCE X-200RNA Switch Devices before V3.2.72022-12-13csaf · siemens_psirtDE
SCALANCE X-200RNA switch devices before V3.2.7 contain multiple OpenSSL and OpenSSH vulnerabilities. The most severe of these vulnerabilities could allow a denial of service condition or could lead to execution of arbitrary code. Siemens has released updates for the affected products and recommends to update to the latest versions.
WID-SEC-W-2024-1052OpenSSH: Schwachstelle ermöglicht Denial of ServiceDeutsch2016-10-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um einen Denial of Service Angriff durchzuführen.
ICSA-22-349-21Siemens SCALANCE X-200RNA Switch Devices2022-12-13icsa · cisa_csaf_otUS
SCALANCE X-200RNA switch devices before V3.2.7 contain multiple OpenSSL and OpenSSH vulnerabilities. The most severe of these vulnerabilities could allow a denial of service condition or could lead to execution of arbitrary code. Siemens has released updates for the affected products and recommends to update to the latest versions.

auch bekannt als (5)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

veröffentlicht 2016-12-09geändert 2026-06-17

verwandt (3,726)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2018-0180US	medium5.9OT kritisch	4.93% (92nd)	KEV	2018-03-28
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected sy…
CVE-2018-0179US	medium5.9OT kritisch	4.93% (92nd)	KEV	2018-03-28
Multiple vulnerabilities in the Login Enhancements (Login Block) feature of Cisco IOS Software could allow an unauthenticated, remote attacker to trigger a reload of an affected sy…
CVE-2018-0161US	medium6.3OT kritisch	4.12% (91st)	KEV	2018-03-28
A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS Software running on certain models of Cisco Catalyst Switches could allow an authenticated,…
CVE-2018-0156US	high7.5OT kritisch	9.36% (95th)	KEV	2018-03-28
A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected devi…
CVE-2018-0154US	high7.5OT kritisch	7.07% (94th)	KEV	2018-03-28
A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a…

+3721 weitere

Referenzen (46)

Externe Belege — Patches, Meldungen, Analysen.

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