CVE-2023-27309

highpriority · track · 35OT risk · elevatedEPSS 0.005 · 41 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.48% (41st) EPSS

CVSS 8.8 · high

Is it mine?

6 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

A vulnerability has been identified in RUGGEDCOM CROSSBOW (All versions < V5.2). The client query handler of the affected application fails to check for proper permissions for specific write queries. This could allow an authenticated remote attacker to perform unauthorized actions.

remediations

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

A vendor fix is available.

FixedRUGGEDCOM CROSSBOWsiemens_psirt
Update to V5.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109813558/
FixedRUGGEDCOM CROSSBOWcisa_csaf_ot
Update to V5.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109813558/

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⚠ sources disagree · medium–high · 5–8.8

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

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · CISA US

v3.18.8highAV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · ENISA EU

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · productcert@siemens.com DEexploitability 1.6 · impact 3.4

v3.15mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

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

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USCWE-862USCWE-862USCWE-862US

affected products (6)

Products and version ranges known to be affected.

RUGGEDCOM CROSSBOWall versionscisa_csaf_otUS
Siemens RUGGEDCOM CROSSBOW< V5.2cisa_csaf_otUS
Siemens RUGGEDCOM CROSSBOWAll versions → V5.2enisa_euvdEU
Siemens AG RUGGEDCOM CROSSBOW≤ 5.2fstec_bduRU
siemens ruggedcom crossbow< 5.2nvdUScpe:2.3:a:siemens:ruggedcom_crossbow:*:*:*:*:*:*:*:*
Siemens RUGGEDCOM CROSSBOW< V5.2siemens_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-260625SSA-260625: Security Vulnerabilities Fixed in RUGGEDCOM CROSSBOW V5.22023-03-14csaf · siemens_psirtDE
RUGGEDCOM CROSSBOW V5.2 fixes two vulnerabilities that could allow authenticated remote attackers to perform unauthorized actions (CVE-2023-27309) or escalate privileges (CVE-2023-27310). Siemens has released an update for RUGGEDCOM CROSSBOW and recommends to update to the latest version.
ICSA-23-075-03Siemens RUGGEDCOM CROSSBOW V5.22023-03-14icsa · cisa_csaf_otUS
RUGGEDCOM CROSSBOW V5.2 fixes two vulnerabilities that could allow authenticated remote attackers to perform unauthorized actions (CVE-2023-27309) or escalate privileges (CVE-2023-27310). Siemens has released an update for RUGGEDCOM CROSSBOW and recommends to update to the latest version.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2023-03-14modified 2026-10-24

references (4)

External citations — patches, advisories, analysis.

scry

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