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CVE-2023-44373

Siemens 6ag1206-2bb00-7ac2 Firmware injection

9.1 CRITICALEPSS 1.34%
  1. Published14 Nov 2023

Description

Affected devices do not properly sanitize an input field. This could allow an authenticated remote attacker with administrative privileges to inject code or spawn a system root shell. Follow-up of CVE-2022-36323.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected products

Siemens 6ag1206-2bb00-7ac2 Firmware< 4.5
Siemens 6ag1206-2bs00-7ac2 Firmware< 4.5
Siemens 6ag1208-0ba00-7ac2 Firmware< 4.5
Siemens 6ag1216-4bs00-7ac2 Firmware< 4.5
Siemens 6gk5204-0ba00-2gf2 Firmware< 4.5
Siemens 6gk5204-0ba00-2yf2 Firmware< 4.5
Siemens 6gk5204-2aa00-2gf2 Firmware< 4.5
Siemens 6gk5204-2aa00-2yf2 Firmware< 4.5
Siemens 6gk5205-3bb00-2ab2 Firmware< 4.5
Siemens 6gk5205-3bb00-2tb2 Firmware< 4.5
Siemens 6gk5205-3bd00-2ab2 Firmware< 4.5
Siemens 6gk5205-3bd00-2tb2 Firmware< 4.5
Siemens 6gk5205-3bf00-2ab2 Firmware< 4.5
Siemens 6gk5205-3bf00-2tb2 Firmware≤ 4.5
Siemens 6gk5206-2bb00-2ac2 Firmware< 4.5
Siemens 6gk5206-2bd00-2ac2 Firmware< 4.5
Siemens 6gk5206-2bs00-2ac2 Firmware< 4.5
Siemens 6gk5206-2bs00-2fc2 Firmware< 4.5
Siemens 6gk5206-2gs00-2ac2 Firmware< 4.5
Siemens 6gk5206-2gs00-2fc2 Firmware< 4.5
Siemens 6gk5206-2gs00-2tc2 Firmware< 4.5
Siemens 6gk5206-2rs00-2ac2 Firmware< 4.5
Siemens 6gk5206-2rs00-5ac2 Firmware< 4.5
Siemens 6gk5206-2rs00-5fc2 Firmware< 4.5

Remediation

Fixed in
Siemens 6ag1206-2bb00-7ac2 Firmware≥ 4.5
Siemens 6ag1206-2bs00-7ac2 Firmware≥ 4.5
Siemens 6ag1208-0ba00-7ac2 Firmware≥ 4.5
Siemens 6ag1216-4bs00-7ac2 Firmware≥ 4.5
Siemens 6gk5204-0ba00-2gf2 Firmware≥ 4.5
Siemens 6gk5204-0ba00-2yf2 Firmware≥ 4.5
Siemens 6gk5204-2aa00-2gf2 Firmware≥ 4.5
Siemens 6gk5204-2aa00-2yf2 Firmware≥ 4.5
Siemens 6gk5205-3bb00-2ab2 Firmware≥ 4.5
Siemens 6gk5205-3bb00-2tb2 Firmware≥ 4.5

References

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Frequently asked

Is CVE-2023-44373 being actively exploited?

CVE-2023-44373 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.34%.

How severe is CVE-2023-44373?

CVE-2023-44373 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 1.34% probability of exploitation.

Which products are affected by CVE-2023-44373?

Affected products include Siemens 6ag1206-2bb00-7ac2 Firmware, Siemens 6ag1206-2bs00-7ac2 Firmware, Siemens 6ag1208-0ba00-7ac2 Firmware, Siemens 6ag1216-4bs00-7ac2 Firmware, Siemens 6gk5204-0ba00-2gf2 Firmware, and 19 more.

How do I fix CVE-2023-44373?

Upgrade affected software to a fixed version, for example Siemens 6ag1206-2bb00-7ac2 Firmware 4.5, Siemens 6ag1206-2bs00-7ac2 Firmware 4.5, Siemens 6ag1208-0ba00-7ac2 Firmware 4.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-44373 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.