CyberSecBulletin
CVE-2024-26004NVD status: Analyzed

CHARX SEC-3000: Access of Uninitialized Pointer

CVE-2024-26004 is a high-severity access of uninitialized pointer vulnerability in CHARX SEC-3000 from Phoenix Contact, 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 CHARX SEC-3000 versions: 1.5.0 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 1% chance of exploitation within 30 days, higher than 63% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Charx Sec-3000 Firmware to 1.5.1 or a later version.
  2. Update Charx Sec-3050 Firmware to 1.5.1 or a later version.
  3. Update Charx Sec-3100 Firmware to 1.5.1 or a later version.
  4. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
PHOENIX CONTACTCHARX SEC-30001.5.0 and earlierNot stated
PHOENIX CONTACTCHARX SEC-30501.5.0 and earlierNot stated
PHOENIX CONTACTCHARX SEC-31001.5.0 and earlierNot stated
PHOENIX CONTACTCHARX SEC-31501.5.0 and earlierNot stated
Phoenixcontactcharx_sec_30001.5.0 and earlierNot stated
Phoenixcontactcharx_sec_30501.5.0 and earlierNot stated
Phoenixcontactcharx_sec_31001.5.0 and earlierNot stated
Phoenixcontactcharx_sec_31501.5.0 and earlierNot stated
PhoenixcontactCharx Sec-3000 Firmwarebefore 1.5.11.5.1
PhoenixcontactCharx Sec-3050 Firmwarebefore 1.5.11.5.1
PhoenixcontactCharx Sec-3100 Firmwarebefore 1.5.11.5.1
PhoenixcontactCharx Sec-3150 Firmwarebefore 1.5.11.5.1

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 CNA (cert.vde.com).

Official description

An unauthenticated remote attacker can DoS a control agent due to access of a uninitialized pointer which may prevent or disrupt the charging functionality.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Access of Uninitialized Pointer

The product accesses or uses a pointer that has not been initialized.

More Access of Uninitialized Pointer vulnerabilities (CWE-824)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Third-party and government advisories

Other vulnerabilities in CHARX SEC-3000

All CHARX SEC-3000 vulnerabilities

Recent Access of Uninitialized Pointer vulnerabilities

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