CVE-2022-43398

highpriority · track · 35EPSS 0.005 · 45 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 8.8 · high

Is it mine?

17 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · cert_bund · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50). Affected devices do not renew the session cookie after login/logout and also accept user defined session cookies. An attacker could overwrite the stored session cookie of a user. After the victim logged in, the attacker is given access to the user's account through the activated session.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedPOWER METER SICAM Q100 (7KG9501-0AA01-0AA1)siemens_psirt
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA01-2AA1)siemens_psirt
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA31-0AA1)siemens_psirt
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA31-2AA1)siemens_psirt
Update to V2.50 or later version
FixedPOWER METER SICAM Q200 familysiemens_psirt
Update to V2.70 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743592/
FixedPOWER METER SICAM Q100 (7KG9501-0AA01-0AA1)cisa_csaf_ot
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA01-2AA1)cisa_csaf_ot
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA31-0AA1)cisa_csaf_ot
Update to V2.50 or later version
FixedPOWER METER SICAM Q100 (7KG9501-0AA31-2AA1)cisa_csaf_ot
Update to V2.50 or later version
FixedPOWER METER SICAM Q200 familycisa_csaf_ot
Update to V2.70 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743592/
MitigationPOWER METER SICAM Q200 familysiemens_psirt
Do not access links from untrusted sources while logged in at Q200 devices
MitigationPOWER METER SICAM Q200 familycisa_csaf_ot
Do not access links from untrusted sources while logged in at Q200 devices
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA01-0AA1)siemens_psirt
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA01-2AA1)siemens_psirt
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA31-0AA1)siemens_psirt
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA31-2AA1)siemens_psirt
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA01-0AA1)cisa_csaf_ot
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA01-2AA1)cisa_csaf_ot
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA31-0AA1)cisa_csaf_ot
Restrict access to port 443/tcp to trusted IP addresses only
WorkaroundPOWER METER SICAM Q100 (7KG9501-0AA31-2AA1)cisa_csaf_ot
Restrict access to port 443/tcp to trusted IP addresses only

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

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

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

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · productcert@siemens.com DEexploitability 1.6 · impact 5.9

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

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimaryCWE-384USCWE-384US

affected products (17)

Products and version ranges known to be affected.

Siemens SICAMall versionscert_bundDEcpe:/h:siemens:sicam:-
Siemens SICAM Q100 <2.50all versionscert_bundDE
Siemens SICAM Q200 <V2.70all versionscert_bundDE
Siemens SICAM T <V3.0all versionscert_bundDE
Siemens SICAM≤ Q200 <V2.70cert_bundDE
Siemens SICAM≤ T <V3.0cert_bundDE
Siemens SICAM≤ Q100 <2.50cert_bundDE
POWER METER SICAM Q200 familyall versionscisa_csaf_otUS
Siemens POWER METER SICAM Q200 family< V2.70cisa_csaf_otUS
Siemens POWER METER SICAM Q100All versions → V2.50enisa_euvdEU
siemens 7kg9501-0aa01-2aa1 firmware< 2.50nvdUScpe:2.3:o:siemens:7kg9501-0aa01-2aa1_firmware:*:*:*:*:*:*:*:*
siemens 7kg9501-0aa31-2aa1 firmware< 2.50nvdUScpe:2.3:o:siemens:7kg9501-0aa31-2aa1_firmware:*:*:*:*:*:*:*:*
Siemens POWER METER SICAM Q100 (7KG9501-0AA01-0AA1)< V2.50siemens_psirtDE
Siemens POWER METER SICAM Q100 (7KG9501-0AA01-2AA1)< V2.50siemens_psirtDE
Siemens POWER METER SICAM Q100 (7KG9501-0AA31-0AA1)< V2.50siemens_psirtDE
Siemens POWER METER SICAM Q100 (7KG9501-0AA31-2AA1)< V2.50siemens_psirtDE
Siemens POWER METER SICAM Q200 family≤ vers:all/<V2.70siemens_psirtDE

advisories (6)

Vendor and ecosystem advisories describing this.

SSA-570294SSA-570294: Multiple Vulnerabilities in SICAM Q100 Before V2.502022-11-08csaf · siemens_psirtDE
SICAM Q100 devices contain multiple vulnerabilities that could allow an attacker to take over the session of a logged in user or to inject custom code. Siemens has released updates for the affected products and recommends to update to the latest versions.
SSA-887249SSA-887249: Multiple Vulnerabilities in the Web Interface of SICAM Q200 Devices2023-06-13csaf · siemens_psirtDE
Multiple vulnerabilities were identified in the webserver of Q200 devices. These include Cross Site Request Forgery (CSRF), session fixation, missing secure flags in HTTP cookies and memory corruption issues due to missing input validation that could lead to remote code execution. Siemens has released an update for POWER METER SICAM Q200 family and recommends to update to the latest version.
WID-SEC-W-2022-1974Siemens SICAM: Mehrere SchwachstellenDeutsch2022-11-07csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service zu verursachen.
WID-SEC-W-2023-1431Siemens SICAM: Mehrere SchwachstellenDeutsch2023-06-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um Sicherheitsvorkehrungen zu umgehen und Code auszuführen.
ICSA-22-314-11Siemens SICAM Q1002022-11-08icsa · cisa_csaf_otUS
SICAM Q100 devices contain multiple vulnerabilities that could allow an attacker to take over the session of a logged in user or to inject custom code. Siemens has released updates for the affected products and recommends to update to the latest versions.
ICSA-23-166-03Siemens SICAM Q200 Devices2023-06-13icsa · cisa_csaf_otUS
Multiple vulnerabilities were identified in the webserver of Q200 devices. These include Cross Site Request Forgery (CSRF), session fixation, missing secure flags in HTTP cookies and memory corruption issues due to missing input validation that could lead to remote code execution. Siemens has released an update for POWER METER SICAM Q200 family and recommends to update to the latest version.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2022-11-08modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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