PowerLogic PM5320: Uncontrolled Resource Consumption
CVE-2024-9409 is a high-severity uncontrolled resource consumption vulnerability in PowerLogic PM5320 from Schneider Electric, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected PowerLogic PM5320 versions: Version 2.3.8 and prior; 2.3.8 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.82% chance of exploitation within 30 days, higher than 58% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Powerlogic Pm5341 Firmware to 2.7.0 or a later version.
- Update Powerlogic Pm5340 Firmware to 2.4.0 or a later version.
- Update Powerlogic Pm5320 Firmware to 2.4.0 or a later version.
- Read the advisory on download.schneider-electric.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Schneider Electric | PowerLogic PM5320 | Version 2.3.8 and prior; 2.3.8 and earlier | Not stated |
| Schneider Electric | PowerLogic PM5340 | Version 2.3.8 and prior; 2.3.8 and earlier | Not stated |
| Schneider Electric | PowerLogic PM5341 | Version 2.6.6 and prior; 2.6.6 and earlier | Not stated |
| Schneider Electric | Powerlogic Pm5341 Firmware | before 2.7.0 | 2.7.0 |
| Schneider Electric | Powerlogic Pm5340 Firmware | before 2.4.0 | 2.4.0 |
| Schneider Electric | Powerlogic Pm5320 Firmware | before 2.4.0 | 2.4.0 |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 8.7 | High | CNA (se.com) |
| CVSS 3.1 | 7.5 | High | CNA (se.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
CWE-400: An Uncontrolled Resource Consumption vulnerability exists that could cause the device to become unresponsive resulting in communication loss when a large amount of IGMP packets is present in the network.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
How developers prevent this class of flaw
- Ensure that protocols have specific limits of scale placed on them.
- Ensure that all failures in resource allocation place the system into a safe posture.
More Uncontrolled Resource Consumption vulnerabilities (CWE-400)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
Recent Uncontrolled Resource Consumption vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 8.7 High severity
- 8.7 High severity
- 8.7 High severity
- 7.5 High severity
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