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Fencer Vulns
medium 5.5

CVE-2023-31238 json

A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA00-2AA0) (All version…

published 2023-06-13 3 y ago modified 2026-10-23 16 d ago also EUVD-2023-35553

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits
0
none known

Summary

A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA00-2AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA10-0AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA10-2AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA30-0AA0) (All versions < V3.11), SICAM P850 (7KG8500-0AA30-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA01-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA01-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA02-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA02-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA11-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA11-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA12-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA12-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA31-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA31-2AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA32-0AA0) (All versions < V3.11), SICAM P850 (7KG8501-0AA32-2AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA00-0AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA00-2AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA10-0AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA10-2AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA30-0AA0) (All versions < V3.11), SICAM P855 (7KG8550-0AA30-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA01-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA01-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA02-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA02-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA11-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA11-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA12-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA12-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA31-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA31-2AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA32-0AA0) (All versions < V3.11), SICAM P855 (7KG8551-0AA32-2AA0) (All versions < V3.11), SICAM T (All versions < V3.0). Affected devices are missing cookie protection flags when using the default settings. An attacker who gains access to a session token can use it to impersonate a legitimate application user.

Patch / fix

  • Siemens SICAM P850 V3.11
  • Siemens SICAM P855 V3.11
  • Siemens SICAM T V3.0

Vendor advisories

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

cisa ICSA-25-317-11 updated cvss 5.5

Siemens SICAM P850 family and SICAM P855 family

  • Siemens SICAM P850 (7KG8500-0AA00-0AA0) <3.11 Siemens SICAM P850 (7KG8500-0AA00-2AA0) <3.11 Siemens SICAM P850 (7KG8500-0AA10-0AA0) <3.11 Siemens SICAM P850 (7KG8500-0AA10-2AA0) <3.11 Siemens SICAM P850 (7KG8500-0AA30-0AA0) <3.11 Siemens SICAM P850 (7KG8500-0AA30-2AA0) <3.11
    +30 more products
    Siemens SICAM P850 (7KG8501-0AA01-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA01-2AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA02-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA02-2AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA11-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA11-2AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA12-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA12-2AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA31-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA31-2AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA32-0AA0) <3.11 Siemens SICAM P850 (7KG8501-0AA32-2AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA00-0AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA00-2AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA10-0AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA10-2AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA30-0AA0) <3.11 Siemens SICAM P855 (7KG8550-0AA30-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA01-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA01-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA02-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA02-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA11-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA11-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA12-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA12-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA31-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA31-2AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA32-0AA0) <3.11 Siemens SICAM P855 (7KG8551-0AA32-2AA0) <3.11
    affected: mitigation “Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:” support.industry.siemens.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

cisa ICSA-23-166-03 updated cvss 5.5

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-23-348-13 updated cvss 5.5

Siemens SICAM Q100 Devices

  • Siemens POWER METER SICAM Q100 (7KG9501-0AA01-0AA1) <V2.60 Siemens POWER METER SICAM Q100 (7KG9501-0AA01-2AA1) <V2.60 Siemens POWER METER SICAM Q100 (7KG9501-0AA31-0AA1) <V2.60 Siemens POWER METER SICAM Q100 (7KG9501-0AA31-2AA1) <V2.60
    affected: fixed in V2.60, workaround

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

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
NVD 3.1 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • Siemens SICAM P850
  • Siemens SICAM P855
  • Siemens SICAM T

Classification

Weakness
  • CWE-732 Incorrect Permission Assignment for Critical Resource

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.