No exploitation reportedFix available

CVE-2023-33919

Q: Is CVE-2023-33919 actively exploited?

Active exploitation of CVE-2023-33919 has not been confirmed. Its EPSS score was 47.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2023-33919?

CVE-2023-33919 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2023-06-13
Fixed inCVE-2022-33307
WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). The web interface of affected devices is vulnerable to command injection due to missing server side input sanitation. This could allow an authenticated privileged remote attacker to execute arbitrary code with root privileges.

Timeline

dates in UTC

2023-06-1309:15CVE publishedNVD
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-33919?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-33919?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

CISA-ADP · NVD

Siemens cp-8031 master module

Branch	Affected	Fixed in	Source
—	< CVE-2022-33307	CVE-2022-33307	CISA-ADP

Siemens cp-8050 master module

Branch	Affected	Fixed in	Source
—	< CVE-2022-33307	CVE-2022-33307	CISA-ADP

Siemens cpci85 firmwareversion to verify

Branch	Affected	Fixed in	Source
5.x	< v05	v05	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-23-166-13 CISA2 known affected
Siemens SICAM A8000 Devices
CP-8031 MASTER MODULE (6MF2803-1AA00) · CP-8050 MASTER MODULE (6MF2805-0AA00)

Full record on NVD

Fix

Update Siemens cp-8031 master module to CVE-2022-33307
Vendor fix CISA ICSA-23-166-13 · 1 productUpdate to CPCI85 V05 or later version

Advisories and patches

cert-portal.siemens.comPatch · Vendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-07-05
OpenCVESSVC decisionnone—
CNACVSS 3.17.2read 2026-10-23
NVDCVSS 3.17.2read 2026-10-23
CNAweakness (CWE)CWE-77read 2026-10-23
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score47.7 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published: 2023-06-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-33919?

Is CVE-2023-33919 actively exploited?

Active exploitation of CVE-2023-33919 has not been confirmed. Its EPSS score was 47.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-33919?

CVE-2023-33919 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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