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CVE-2024-47553VulnerabilityPublished Updated

CVE-2024-47553: Siemens SINEC Security Monitor · Argument Injection

Affects Siemens SINEC Security MonitorSource CVE Database V5

0

Not known to be exploited · CVSS 9.9 Critical : upgrade to 4.9.0 as a priority.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
9.9Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.9.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Oct 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade Siemens SINEC Security Monitor to 4.9.0.

Affected software

ProductAffectedFixed in
Siemens SINEC Security MonitorAffected
  • =0
  • <4.9.0
Fixed in
  • 4.9.0

AI-suggested

1. Immediately upgrade Siemens SINEC Security Monitor to version 4.9.0 or later once available, as this will contain the official patch for CVE-2024-47553. 2. If you cannot patch yet, restrict access to the ssmctl-client interface to trusted, authenticated users only, using network segmentation and firewall rules to limit exposure. 3. Implement strict access controls and monitor authentication logs for unusual or unauthorized access attempts to the SINEC Security Monitor. 4. Employ application whitelisting and endpoint detection and response (EDR) solutions on hosts running the vulnerable software to detect and block suspicious command execution. 5. Conduct regular audits of user privileges and remove unnecessary accounts or permissions that could be leveraged by attackers. 6. Use intrusion detection systems (IDS) and network monitoring to identify anomalous command injection attempts targeting the ssmctl-client. 7. Develop and test incident response plans specifically for OT environments to quickly contain and remediate potential breaches. 8. Collaborate with Siemens support and subscribe to their security advisories for timely updates and patches. These measures combined will reduce the attack surface and help detect or prevent exploitation until a permanent fix is applied.

Description

A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). The affected application does not properly validate user input to the ```ssmctl-client``` command. This could allow an authenticated, lowly privileged remote attacker to execute arbitrary code with root privileges on the underlying OS.

References

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