CVE-2024-53648VulnerabilityPublished 11 Feb 2025Updated 11 Nov 2025

CVE-2024-53648: Siemens SIPROTEC 5 6MD84 (CP300) · Active Debug Code

Affects Siemens SIPROTEC 5 6MD84 (CP300)Source CVE Database V5

Not known to be exploited · CVSS 6.8 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

6.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector: Physical
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Physical: The attack requires the attacker to physically touch or manipulate the vulnerable component. Physical interaction may be brief or persistent.
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: High: There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 11 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Siemens SIPROTEC 5 6MD84 (CP300)	Affected =0	Fixed in–

AI-suggested

1. Apply Siemens vendor patches and firmware updates as soon as they become available to remove or disable the active debug code and secure the development shell interface. 2. Enforce strict physical security controls around SIPROTEC 5 devices, including locked cabinets, surveillance, and access logging to prevent unauthorized physical access. 3. Conduct regular audits and inspections of relay devices to detect any signs of tampering or unauthorized access. 4. Implement network segmentation and monitoring to detect anomalous commands or behavior from SIPROTEC devices that could indicate compromise. 5. Train operational technology (OT) personnel on the risks of physical access vulnerabilities and the importance of device security hygiene. 6. Where possible, disable unused physical interfaces or ports on the devices to reduce attack surface. 7. Maintain an inventory of all affected devices and track their firmware versions to prioritize patching and risk management. 8. Collaborate with Siemens support for guidance on interim protective measures until patches are released.

Description

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.90), SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions < V9.90), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions < V9.90), SIPROTEC 5 6MD89 (CP300) (All versions < V9.90), SIPROTEC 5 6MU85 (CP300) (All versions < V9.90), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions < V10.0), SIPROTEC 5 7SA82 (CP100) (All versions < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.90), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions < V9.90), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions < V9.90), SIPROTEC 5 7SD82 (CP100) (All versions < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.90), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions < V9.90), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions < V9.90), SIPROTEC 5 7SJ81 (CP100) (All versions < V8.90), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.90), SIPROTEC 5 7SJ82 (CP100) (All versions < V8.90), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.90), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions < V9.90), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions < V9.90), SIPROTEC 5 7SK82 (CP100) (All versions < V8.90), SIPROTEC 5 7SK82 (CP150) (All versions < V9.90), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions < V9.90), SIPROTEC 5 7SL82 (CP100) (All versions < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.90), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions < V9.90), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions < V9.90), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions < V9.90), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions < V10.0), SIPROTEC 5 7ST86 (CP300) (All versions < V10.0), SIPROTEC 5 7SX82 (CP150) (All versions < V9.90), SIPROTEC 5 7SX85 (CP300) (All versions < V9.90), SIPROTEC 5 7SY82 (CP150) (All versions < V9.90), SIPROTEC 5 7UM85 (CP300) (All versions < V9.90), SIPROTEC 5 7UT82 (CP100) (All versions < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.90), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions < V9.90), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions < V9.90), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions < V9.90), SIPROTEC 5 7VE85 (CP300) (All versions < V9.90), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions < V9.90), SIPROTEC 5 7VU85 (CP300) (All versions < V9.90), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.90). Affected devices do not properly limit access to a development shell accessible over a physical interface. This could allow an unauthenticated attacker with physical access to the device to execute arbitrary commands on the device.

Impact

The vulnerability impacts the confidentiality, integrity, and availability of SIPROTEC 5 devices, which are widely used in electrical power grid protection and automation. An attacker exploiting this flaw could manipulate relay settings, disable protections, or cause device malfunction, potentially leading to power outages, equipment damage, or safety hazards. For European organizations, particularly utilities and critical infrastructure operators, this vulnerability could facilitate sabotage or espionage if attackers gain physical access to relay devices. The risk is heightened in environments with less stringent physical security or where devices are installed in accessible locations. Disruption of power grid protection devices can have cascading effects on national energy stability and economic activities. The medium CVSS score reflects the physical access requirement but does not diminish the critical nature of the affected systems. The absence of known exploits suggests limited immediate threat but also underscores the need for proactive mitigation to prevent future attacks.

CWE-489Active Debug Code (opens in a new tab)
Base weaknessOWASP Top 10 A02:2025: Security Misconfiguration (opens in a new tab)
The product is released with debugging code still enabled or active.
Build and Compilation · Distribution
Remove debug code before deploying the application.
Attack patterns
Exploit Non-Production Interfaces (opens in a new tab)
Root/Jailbreak Detection Evasion via Debugging (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

cert-portal.siemens.com/productcert/html/ssa-687955.html (opens in a new tab)

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 11 Nov 2025, 21:03 UTC

WeaknessesCWE-489

Technical details

References

Community reviews

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