CVE-2022-29877

mediumpriority · track · 26OT risk · elevatedEPSS 0.007 · 52 %ileDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.66% (52nd) EPSS

CVSS 6.4 · medium

Is it mine?

52 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A vulnerability has been identified in SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00). Affected devices allow unauthenticated access to the web interface configuration area. This could allow an attacker to extract internal configuration details or to reconfigure network settings. However, the reconfigured settings cannot be activated unless the role of an authenticated administrator user.

remediations

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

A vendor fix is available.

FixedSICAM P850siemens_psirt
Update to V3.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743594/
FixedSICAM P855siemens_psirt
Update to V3.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743621/
FixedSICAM P850cisa_csaf_ot
Update to V3.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743594/
FixedSICAM P855cisa_csaf_ot
Update to V3.00 or later version
https://support.industry.siemens.com/cs/ww/en/view/109743621/
MitigationSICAM P850siemens_psirt
Do not access links from untrusted sources while logged in at SICAM P850 or SICAM P855 devices
MitigationSICAM P855siemens_psirt
Do not access links from untrusted sources while logged in at SICAM P850 or SICAM P855 devices
MitigationSICAM P850cisa_csaf_ot
Do not access links from untrusted sources while logged in at SICAM P850 or SICAM P855 devices
MitigationSICAM P855cisa_csaf_ot
Do not access links from untrusted sources while logged in at SICAM P850 or SICAM P855 devices

cvss

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

6.5

010

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

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.5

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:Csecondary · CISA US

v3.16.5mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-306USprimaryCWE-306USCWE-306USCWE-306US

affected products (52)

Products and version ranges known to be affected.

Siemens SICAM P850 <3.00all versionscert_bundDE
Siemens SICAM P855 <3.00all versionscert_bundDE
Siemens SICAM T <V3.0all versionscert_bundDE
Siemens SICAM≤ P850 <3.00cert_bundDE
Siemens SICAM≤ P855 <3.00cert_bundDE
Siemens SICAM≤ T <V3.0cert_bundDE
SICAM P850all versionscisa_csaf_otUS
SICAM P855all versionscisa_csaf_otUS
Siemens SICAM P850< V3.00cisa_csaf_otUS
Siemens SICAM P855< V3.00cisa_csaf_otUS
Siemens SICAM P850All versions → V3.00enisa_euvdEU
Siemens SICAM P855All versions → V3.00enisa_euvdEU
Siemens AG SICAM P850≤ 3.0fstec_bduRU
Siemens AG SICAM P855≤ 3.0fstec_bduRU
siemens 7kg8500-0aa00-0aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa00-0aa0_firmware:*:*:*:*:*:*:*:*
siemens 7kg8500-0aa00-2aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa00-2aa0_firmware:*:*:*:*:*:*:*:*
siemens 7kg8500-0aa10-0aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa10-0aa0_firmware:*:*:*:*:*:*:*:*
siemens 7kg8500-0aa10-2aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa10-2aa0_firmware:*:*:*:*:*:*:*:*
siemens 7kg8500-0aa30-0aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa30-0aa0_firmware:*:*:*:*:*:*:*:*
siemens 7kg8500-0aa30-2aa0 firmware< 3.00nvdUScpe:2.3:o:siemens:7kg8500-0aa30-2aa0_firmware:*:*:*:*:*:*:*:*

showing 20 of 52

advisories (3)

Vendor and ecosystem advisories describing this.

SSA-165073SSA-165073: Multiple Vulnerabilities in the Webinterface of SICAM P850 and SICAM P855 Devices2022-05-10csaf · siemens_psirtDE
Multiple vulnerabilities were identified in the webserver of SICAM P850 and SICAM P855 devices. These include unauthenticated access to web-interface functionality, missing HTTPS or impersonation as well as cross-site scripting related vulnerabilities. Siemens has released updates for the affected products and recommends to update to the latest versions.
WID-SEC-W-2025-2767Siemens SICAM: Mehrere SchwachstellenDeutsch2022-05-09csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Siemens SICAM ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen und einen Cross-Site-Scripting Angriff durchzuführen.
ICSA-22-132-07Siemens SICAM P850 and SICAM P8552022-05-10icsa · cisa_csaf_otUS
Multiple vulnerabilities were identified in the webserver of SICAM P850 and SICAM P855 devices. These include unauthenticated access to web-interface functionality, missing HTTPS or impersonation as well as cross-site scripting related vulnerabilities. Siemens has released updates for the affected products and recommends to update to the latest versions.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

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

published 2022-05-20modified 2026-06-17

related (4,465)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-67277US	high8.2OT critical	1.56% (75th)	KEV	2026-09-05
RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 U…
CVE-2026-81578US	critical9.8OT critical	83.7% (100th)	KEV	2026-08-28
An improper access control vulnerability exists in the web management interface of PaperCut MF and PaperCut NG. Under specific conditions, unauthenticated remote requests targeting…
CVE-2026-72529US	—OT critical	1.46% (74th)	KEV	2026-08-19
A remote unauthorized attacker with network access via port 4307/TCP to the TrueConf server versions 5.3.X to 5.3.9, 5.4.X to 5.4.9, 5.5.X to 5.5.5, and earlier could execute an ar…
CVE-2026-56164US	critical9.8OT critical	1.01% (63rd)	KEV	2026-07-14
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-59822US	high8.2OT critical	0.84% (58th)	KEV	2026-07-08
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. Prior to 1.84.0, LiteLLM's MCP Streamable HTTP endpoint allowed an unauthenticated attacker to…

+4460 more

references (7)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan