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CVE-2024-23806: Sensitive data can be extracted from HID iCLASS SE reader configuration cards

23
Routine
MEDIUM 5.3MITIGATEMITIGATE

CVE-2024-23806 is a medium-severity flaw (CVSS 5.3) affecting omnikey secure elements reader configuration cards firmware, iclass se reader configuration cards firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sensitive data can be extracted from HID iCLASS SE reader configuration cards. This could include credential and device administrator keys.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score5.3 (Medium)
Attack vectorPhysical
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.3% (top 83%)
CISA exploited listNo
WeaknessCWE-285, CWE-287
Published2024-02-07
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: hidglobal

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

hidglobal omnikey secure elements reader configuration cards firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
hidglobal iclass se reader configuration cards firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-23806?

omnikey secure elements reader configuration cards firmware: mitigate or apply the listed mitigation; iclass se reader configuration cards firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-23806 being exploited?

CVE-2024-23806 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-23806 affect?

CVE-2024-23806 affects omnikey secure elements reader configuration cards firmware, iclass se reader configuration cards firmware. Severity is medium (CVSS 5.3). Sensitive data can be extracted from HID iCLASS SE reader configuration cards. This could include credential and device administrator keys.

How urgent is CVE-2024-23806?

Priority 23/100. No elevated risk signals yet.

References

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