A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.50), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5…

published 2022-12-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-47969

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 55%
public exploits: 0; none known

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.50), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions < V9.50), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions < V9.50), SIPROTEC 5 6MD89 (CP300) (All versions < V9.64), SIPROTEC 5 6MU85 (CP300) (All versions < V9.50), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions < V9.64), SIPROTEC 5 7SA82 (CP100) (All versions < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.50), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions < V9.50), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions < V9.50), SIPROTEC 5 7SD82 (CP100) (All versions < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.50), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions < V9.50), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions < V9.50), SIPROTEC 5 7SJ81 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.50), SIPROTEC 5 7SJ82 (CP100) (All versions < V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.50), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions < V9.50), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions < V9.50), SIPROTEC 5 7SK82 (CP100) (All versions < V8.89), SIPROTEC 5 7SK82 (CP150) (All versions < V9.50), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions < V9.50), SIPROTEC 5 7SL82 (CP100) (All versions < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.50), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions < V9.50), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions < V9.50), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions < V9.50), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions < V9.64), SIPROTEC 5 7ST86 (CP300) (All versions < V9.64), SIPROTEC 5 7SX82 (CP150) (All versions < V9.50), SIPROTEC 5 7SX85 (CP300) (All versions < V9.50), SIPROTEC 5 7UM85 (CP300) (All versions < V9.50), SIPROTEC 5 7UT82 (CP100) (All versions < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.50), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions < V9.50), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions < V9.50), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions < V9.50), SIPROTEC 5 7VE85 (CP300) (All versions < V9.50), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions < V9.50), SIPROTEC 5 7VU85 (CP300) (All versions < V9.50), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions installed on CP200 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V9.50 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions installed on CP200 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V9.50 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions < V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions < V9.50), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.50). Affected devices do not properly restrict secure client-initiated renegotiations within the SSL and TLS protocols. This could allow an attacker to create a denial of service condition on the ports 443/tcp and 4443/tcp for the duration of the attack.

Patch / fix

fixed in 30

Siemens SIPROTEC 5 6MD84 (CP300) V9.50
Siemens SIPROTEC 5 6MD85 (CP300) V9.50
Siemens SIPROTEC 5 6MD86 (CP300) V9.50
Siemens SIPROTEC 5 6MD89 (CP300) V9.64
Siemens SIPROTEC 5 6MU85 (CP300) V9.50
Siemens SIPROTEC 5 7KE85 (CP300) V9.64
Siemens SIPROTEC 5 7SA82 (CP100) V8.90
Siemens SIPROTEC 5 7SA82 (CP150) V9.50
Siemens SIPROTEC 5 7SA86 (CP300) V9.50
Siemens SIPROTEC 5 7SA87 (CP300) V9.50
Siemens SIPROTEC 5 7SD82 (CP100) V8.90
Siemens SIPROTEC 5 7SD82 (CP150) V9.50
Siemens SIPROTEC 5 7SD86 (CP300) V9.50
Siemens SIPROTEC 5 7SD87 (CP300) V9.50
Siemens SIPROTEC 5 7SJ81 (CP100) V8.89
Siemens SIPROTEC 5 7SJ81 (CP150) V9.50
Siemens SIPROTEC 5 7SJ82 (CP100) V8.89
Siemens SIPROTEC 5 7SJ82 (CP150) V9.50
Siemens SIPROTEC 5 7SJ85 (CP300) V9.50
Siemens SIPROTEC 5 7SJ86 (CP300) V9.50
Siemens SIPROTEC 5 7SK82 (CP100) V8.89
Siemens SIPROTEC 5 7SK82 (CP150) V9.50
Siemens SIPROTEC 5 7SK85 (CP300) V9.50
Siemens SIPROTEC 5 7SL82 (CP100) V8.90
Siemens SIPROTEC 5 7SL82 (CP150) V9.50
Siemens SIPROTEC 5 7SL86 (CP300) V9.50
Siemens SIPROTEC 5 7SL87 (CP300) V9.50
Siemens SIPROTEC 5 7SS85 (CP300) V9.50
Siemens SIPROTEC 5 7ST85 (CP300) V9.64
Siemens SIPROTEC 5 7ST86 (CP300) V9.64

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-349-11 updated 2025-11-11 cvss 5.3

Siemens SIPROTEC 5 Devices

Siemens SIPROTEC 5 6MD84 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 6MD85 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 6MD85 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 6MD86 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 6MD86 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 6MD89 (CP300) < 9.64
affected: fixed in V9.64, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 6MU85 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7KE85 (CP200)
affected: mitigation, no fix planned

show 30 more

Siemens SIPROTEC 5 7KE85 (CP300) < 9.64
affected: fixed in V9.64, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SA82 (CP100) < 8.90
affected: fixed in V8.90, mitigation
Siemens SIPROTEC 5 7SA82 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SA84 (CP200) Siemens SIPROTEC 5 7SA86 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SA86 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SA87 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SA87 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SD82 (CP100) < 8.90
affected: fixed in V8.90, mitigation
Siemens SIPROTEC 5 7SD82 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SD84 (CP200) Siemens SIPROTEC 5 7SD86 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SD86 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SD87 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SD87 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SJ81 (CP100) < 8.89
affected: fixed in V8.89, mitigation
Siemens SIPROTEC 5 7SJ81 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SJ82 (CP100) < 8.89
affected: fixed in V8.89, mitigation
Siemens SIPROTEC 5 7SJ82 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SJ85 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SJ85 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SJ86 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SJ86 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SK82 (CP100) < 8.89
affected: fixed in V8.89, mitigation
Siemens SIPROTEC 5 7SK82 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SK85 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SK85 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SL82 (CP100) < 8.90
affected: fixed in V8.90, mitigation
Siemens SIPROTEC 5 7SL82 (CP150) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SL86 (CP200)
affected: mitigation, no fix planned
Siemens SIPROTEC 5 7SL86 (CP300) < 9.50
affected: fixed in V9.50, mitigation support.industry.siemens.com
Siemens SIPROTEC 5 7SL87 (CP200)
affected: mitigation, no fix planned

25 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

0.74% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:T/RC:C
CNA	3.1	5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Siemens SIPROTEC 5 6MD84 (CP300)
Siemens SIPROTEC 5 6MD85 (CP200)
Siemens SIPROTEC 5 6MD85 (CP300)
Siemens SIPROTEC 5 6MD86 (CP200)
Siemens SIPROTEC 5 6MD86 (CP300)
Siemens SIPROTEC 5 6MD89 (CP300)
Siemens SIPROTEC 5 6MU85 (CP300)
Siemens SIPROTEC 5 7KE85 (CP200)
Siemens SIPROTEC 5 7KE85 (CP300)
Siemens SIPROTEC 5 7SA82 (CP100)
Siemens SIPROTEC 5 7SA82 (CP150)
Siemens SIPROTEC 5 7SA84 (CP200)
Siemens SIPROTEC 5 7SA86 (CP200)
Siemens SIPROTEC 5 7SA86 (CP300)
Siemens SIPROTEC 5 7SA87 (CP200)
Siemens SIPROTEC 5 7SA87 (CP300)
Siemens SIPROTEC 5 7SD82 (CP100)
Siemens SIPROTEC 5 7SD82 (CP150)
Siemens SIPROTEC 5 7SD84 (CP200)
Siemens SIPROTEC 5 7SD86 (CP200)
Siemens SIPROTEC 5 7SD86 (CP300)
Siemens SIPROTEC 5 7SD87 (CP200)
Siemens SIPROTEC 5 7SD87 (CP300)
Siemens SIPROTEC 5 7SJ81 (CP100)
Siemens SIPROTEC 5 7SJ81 (CP150)
Siemens SIPROTEC 5 7SJ82 (CP100)
Siemens SIPROTEC 5 7SJ82 (CP150)
Siemens SIPROTEC 5 7SJ85 (CP200)
Siemens SIPROTEC 5 7SJ85 (CP300)
Siemens SIPROTEC 5 7SJ86 (CP200)
Siemens SIPROTEC 5 7SJ86 (CP300)
Siemens SIPROTEC 5 7SK82 (CP100)
Siemens SIPROTEC 5 7SK82 (CP150)
Siemens SIPROTEC 5 7SK85 (CP200)
Siemens SIPROTEC 5 7SK85 (CP300)
Siemens SIPROTEC 5 7SL82 (CP100)
Siemens SIPROTEC 5 7SL82 (CP150)
Siemens SIPROTEC 5 7SL86 (CP200)
Siemens SIPROTEC 5 7SL86 (CP300)
Siemens SIPROTEC 5 7SL87 (CP200)
Siemens SIPROTEC 5 7SL87 (CP300)
Siemens SIPROTEC 5 7SS85 (CP200)
Siemens SIPROTEC 5 7SS85 (CP300)
Siemens SIPROTEC 5 7ST85 (CP200)
Siemens SIPROTEC 5 7ST85 (CP300)
Siemens SIPROTEC 5 7ST86 (CP300)
Siemens SIPROTEC 5 7SX82 (CP150)
Siemens SIPROTEC 5 7SX85 (CP300)
Siemens SIPROTEC 5 7UM85 (CP300)
Siemens SIPROTEC 5 7UT82 (CP100)

Classification

Weakness

CWE-400 Uncontrolled Resource Consumption

References

cert-portal.siemens.com /productcert/pdf/ssa-552874.pdf
mitigation, vendor-advisory
cert-portal.siemens.com /productcert/html/ssa-552874.html

Sources

CVE List CVE-2022-45044
NVD CVE-2022-45044

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary