CVE-2023-33861Network attack vector

Peer spoofing via improper certificate validation

Published May 20, 2025 · Updated Aug 16, 2025

Improper certificate validation in IBM Security QRadar EDR 3.12 allows remote attackers to spoof a trusted host or client. IBM has not disclosed the certificate-checking locus or the validation operation that accepts the spoofed peer. The attack requires control of the communication path between the host and client and exposes or alters data exchanged on that path, without reported service interruption.

CVSS severity6.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper certificate validation in IBM Security QRadar EDR 3.12 allows remote attackers to spoof a trusted host or client. IBM has not disclosed the certificate-checking locus or the validation operation that accepts the spoofed peer. The attack requires control of the communication path between the host and client and exposes or alters data exchanged on that path, without reported service interruption.

The record

CVE
CVE-2023-33861
Published
May 20, 2025
Updated
Aug 16, 2025
Vendor
IBM
Product
IBM Security QRadar EDR
Classifications
CWE-295, T1557
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.12

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM Security QRadar EDRversion=3.12

Published CVSS scores

6.5IBM X-ForceCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
6.5IBMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation
T1557Adversary-in-the-Middle

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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