CVE-2024-53649VulnerabilityPublished 14 Jan 2025Updated 11 Nov 2025

CVE-2024-53649: Siemens SIPROTEC 5 6MD84 (CP300) · Exposed Files or Directories

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

Not known to be exploited · CVSS 6.5 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

6.5Medium

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

EPSS: 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

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

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

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
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: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 14 Jan 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. Siemens should be contacted for official patches or firmware updates addressing this vulnerability; organizations must prioritize applying these updates once available. 2. Until patches are deployed, restrict network access to SIPROTEC device management interfaces using network segmentation, firewalls, and VPNs to limit exposure to trusted personnel only. 3. Enforce strong authentication mechanisms and regularly rotate credentials to reduce the risk of credential compromise. 4. Monitor access logs on SIPROTEC devices for unusual or unauthorized file access attempts. 5. Implement strict role-based access controls (RBAC) to limit user privileges on the devices. 6. Conduct regular security audits and vulnerability assessments on critical infrastructure devices. 7. Educate operational technology (OT) personnel about the risks of credential sharing and phishing attacks that could lead to authentication compromise. 8. Consider deploying intrusion detection systems (IDS) tailored for OT environments to detect anomalous activities related to file access on these devices.

Description

A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.80), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 6MD89 (CP300) (All versions >= V7.80 < V9.68), SIPROTEC 5 6MU85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7KE85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SA82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SA82 (CP150) (All versions < V9.80), SIPROTEC 5 7SA86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SA87 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SD82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SD82 (CP150) (All versions < V9.80), SIPROTEC 5 7SD86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SD87 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SJ81 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SJ81 (CP150) (All versions < V9.80), SIPROTEC 5 7SJ82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SJ82 (CP150) (All versions < V9.80), SIPROTEC 5 7SJ85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SJ86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SK82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SK82 (CP150) (All versions < V9.80), SIPROTEC 5 7SK85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SL82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7SL82 (CP150) (All versions < V9.80), SIPROTEC 5 7SL86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SL87 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7SS85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7ST85 (CP300) (All versions < V9.68), SIPROTEC 5 7ST86 (CP300) (All versions < V9.80), SIPROTEC 5 7SX82 (CP150) (All versions < V9.80), SIPROTEC 5 7SX85 (CP300) (All versions < V9.80), SIPROTEC 5 7SY82 (CP150) (All versions < V9.80), SIPROTEC 5 7UM85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7UT82 (CP100) (All versions >= V7.80 < V8.90), SIPROTEC 5 7UT82 (CP150) (All versions < V9.80), SIPROTEC 5 7UT85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7UT86 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7UT87 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7VE85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7VK87 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 7VU85 (CP300) (All versions < V9.80), SIPROTEC 5 Compact 7SX800 (CP050) (All versions < V9.80). Affected devices do not properly limit the path accessible via their webserver. This could allow an authenticated remote attacker to read arbitrary files from the filesystem of affected devices.

Impact

The primary impact of CVE-2024-53649 is the unauthorized disclosure of sensitive information stored on Siemens SIPROTEC 5 devices. This can include configuration files, cryptographic keys, user credentials, and operational logs. For European organizations, especially utilities and grid operators, this exposure could facilitate further attacks such as unauthorized control, sabotage, or espionage. Confidentiality breaches in critical infrastructure components can undermine trust, cause regulatory penalties under GDPR if personal or operational data is involved, and potentially lead to cascading failures if attackers leverage the information to disrupt operations. Although the vulnerability does not directly affect system integrity or availability, the information gained can be used to plan more damaging attacks. The requirement for authentication reduces the attack surface but insider threats or compromised credentials increase risk. Given the widespread deployment of Siemens SIPROTEC devices in European power grids, the potential impact on national energy security and critical infrastructure resilience is significant.

CWE-552Files or Directories Accessible to External Parties (opens in a new tab)
Base weaknessOWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product makes files or directories accessible to unauthorized actors, even though they should not be.
Implementation · System Configuration · Operation
When storing data in the cloud (e.g., S3 buckets, Azure blobs, Google Cloud Storage, etc.), use the provider's controls to disable public access.
OWASP Cheat Sheets
Authorization (opens in a new tab)
OWASP ASVS 4.0.3
V12.5.1 (opens in a new tab)
V12.4.1 (opens in a new tab)
V8.3.8 (opens in a new tab)
Attack patterns
Collect Data from Common Resource Locations (opens in a new tab)
Probe System Files (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

cert-portal.siemens.com/productcert/html/ssa-194557.html (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

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

WeaknessesCWE-552

Technical details

References

Community reviews

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