CVE-2024-22081: An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before

Q: How do I fix CVE-2024-22081?

g5dfr firmware: upgrade to 1.2.1.12. Exact commands for each OS are on this page.

Q: Is CVE-2024-22081 being exploited?

CVE-2024-22081 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-22081 affect?

CVE-2024-22081 affects g5dfr firmware. Severity is critical (CVSS 9.8). An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before. Unauthenticated memory corruption can occur in the HTTP header parsing mechanism.

Q: How urgent is CVE-2024-22081?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-22081 is a critical-severity flaw (CVSS 9.8) affecting g5dfr firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before. Unauthenticated memory corruption can occur in the HTTP header parsing mechanism.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-444
Published	2024-03-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: elspec-ltd

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

Am I affected?

Timeline

2024-03-20 05:15 UTCPublished CVE record published
2026-06-17 07:10 UTCUpdated Record last modified

elspec-ltd g5dfr firmware UPGRADE

Affected: < 1.2.1.12

Fixed in: 1.2.1.12

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-2024-22081?

g5dfr firmware: upgrade to 1.2.1.12. Exact commands for each OS are on this page.

Is CVE-2024-22081 being exploited?

CVE-2024-22081 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-2024-22081 affect?

CVE-2024-22081 affects g5dfr firmware. Severity is critical (CVSS 9.8). An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before. Unauthenticated memory corruption can occur in the HTTP header parsing mechanism.

How urgent is CVE-2024-22081?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-59392 MEDIUM 6.8 UPGRADE On Elspec G5 devices through 1.2.2.19, a person with physical access to the device can reset the Admin passwor
CVE-2024-46603 HIGH 7.5 UPGRADE An XML External Entity (XXE) vulnerability in Elspec Engineering G5 Digital Fault Recorder Firmware v1.2.1.12
CVE-2024-46602 HIGH 7.5 UPGRADE An issue was discovered in Elspec G5 digital fault recorder version 1.2.1.12 and earlier
CVE-2024-46601 HIGH 7.5 UPGRADE Elspec Engineering G5 Digital Fault Recorder Firmware v1.2.1.12 was discovered to contain a buffer overflow.
CVE-2024-22085 MEDIUM 6.2 UPGRADE An issue was discovered in Elspec G5 digital fault recorder versions 1.1.4.15 and before

References

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