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Fencer Vulns
high 7.5

CVE-2022-43398 json

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER…

published 2022-11-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46436

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

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.

Patch / fix

  • siemens 7kg9501-0aa01-2aa1_firmware 2.50
  • siemens 7kg9501-0aa31-2aa1_firmware 2.50

Vendor advisories

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

cisa ICSA-23-166-03 updated cvss 7.5

Siemens SICAM Q200 Devices

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

cisa ICSA-22-314-11 updated cvss 7.5

Siemens SICAM Q100

  • Siemens POWER METER SICAM Q100 (7KG9501-0AA01-0AA1) <V2.50 Siemens POWER METER SICAM Q100 (7KG9501-0AA01-2AA1) <V2.50 Siemens POWER METER SICAM Q100 (7KG9501-0AA31-0AA1) <V2.50 Siemens POWER METER SICAM Q100 (7KG9501-0AA31-2AA1) <V2.50
    affected: fixed in V2.50, workaround

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

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Siemens POWER METER SICAM Q100

Classification

Weakness

References

Sources

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.