CyberSecBulletin
CVE-2025-36377NVD status: Analyzed

IBM Security QRadar EDR 3.12 through 3.12.23 does not invalidate session after a session…

CVE-2025-36377 is a high-severity vulnerability in Security QRadar EDR from IBM, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Security QRadar EDR versions: 3.12 through 3.12.23. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.22% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Qradar Edr to 3.12.24 or a later version.
  2. Read the advisory on ibm.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
IBMSecurity QRadar EDR3.12 through 3.12.23Not stated
IBMQradar Edr3.12.0 up to, but not including, 3.12.243.12.24

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
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.16.3MediumCNA (us.ibm.com)
CVSS 3.18.8HighNVD

Official description

IBM Security QRadar EDR 3.12 through 3.12.23 does not invalidate session after a session expiration which could allow an authenticated user to impersonate another user on the system.

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

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Security QRadar EDR

All Security QRadar EDR vulnerabilities

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