CVE-2024-51545: Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list f
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CRITICAL 10.0REMOTEUPGRADEUPGRADEUPGRADE
CVE-2024-51545 is a critical-severity flaw (CVSS 10.0) affecting aspect-ent-12 firmware, aspect-ent-2 firmware, aspect-ent-256 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list functions.
Affected products:
ABB ASPECT - Enterprise v3.08.02;
NEXUS Series v3.08.02;
MATRIX Series v3.08.02
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
Published CVE record published
Updated Record last modified
abb aspect-ent-12 firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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.
abb aspect-ent-2 firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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.
abb aspect-ent-256 firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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.
abb aspect-ent-96 firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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.
abb nexus-2128 firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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.
abb nexus-2128-a firmware UPGRADE
Affected: < 3.08.03
Fixed in: 3.08.03
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 sourceNVD · 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-2024-51545?
aspect-ent-12 firmware: upgrade to 3.08.03; aspect-ent-2 firmware: upgrade to 3.08.03; aspect-ent-256 firmware: upgrade to 3.08.03. Exact commands for each OS are on this page.
Is CVE-2024-51545 being exploited?
CVE-2024-51545 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-2024-51545 affect?
CVE-2024-51545 affects aspect-ent-12 firmware, aspect-ent-2 firmware, aspect-ent-256 firmware. Severity is critical (CVSS 10.0). Username Enumeration vulnerabilities allow access to application level username add, delete, modify and list functions.
Affected products:
ABB ASPECT - Enterprise v3.08.02;
NEXUS Series v3.08.02;
MATRIX Series v3.08.02
How urgent is CVE-2024-51545?
Priority 49/100. Critical severity; Remotely exploitable, no login, no user action
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