vciy

CVE-2024-51545

INDEX BUILT · 2026-09-20

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Username Enumeration

CVE-2024-515454 of 4 sources documented this
35

rank 35 = 0 + 25 + 0 + 10 + 0

rank@v1 · scheduled

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.00428  ·  without this subject the record ranks 35

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 9.8, from NVD  ·  without this subject the record ranks 10

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 35

How much of the world it touches

NVD CPE configurations

19 products in the CPE ranges  ·  without this subject the record ranks 25

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 35

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$21,400over the next 30 days, if this record is yours
Movementno material movementthe record holds only daily drift and scoring model releases
Basisassumeda published average, not your estate

$21,400 = $4.99M incident cost x 1 exposure x 0.00428 likelihood

udv@v1 · unaudited · wrong for you until you say what you run

$4.99M is the cost of a breach that happened, from IBM Cost of a Data Breach Report 2026, global average. It is not the value of any asset of yours. That average already covers breaches of every severity, so scaling it by exposure understates a partial-impact record. That is an assumption, not a measurement. Your own asset value goes in the decision record.

Hindsight · the state

0.00428EPSSNOT IN KEVas of 2026-09-20
Severity9.3 CRITICALreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationnone in held sources
Defenseunaffected versions publishedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2024-12-07, 646 days at 0.00, as of 2026-09-14. arc-rules@v1

Foresight · where to check next

CVE-2021-30116CVE-2014-1812RockwellCVE-2020-29583CVE-2017-924851545

This record is one instance of CWE-522, insufficiently protected credentials. The index holds 1501 prior instances of this class, 5 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signal

Sources disagree here.

Severity score
ABB9.3 CRITICALreceipt
NVD9.8 CRITICALreceipt
Scoring standard
ABBCVSS v4.0receipt
NVDCVSS v3.1receipt

Both shown, dated. We don't pick winners. disagreement-rules@v1

Running ABB ASPECT-Enterprise? Check your version

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

Reachnetwork-reachable · no privileges required · no user interaction · low attack complexity · no attack requirementsreceipt
ImpactComplete confidentiality, integrity and availability loss, with impact on subsequent systemsreceipt
Scored fromCVSS v4.0 · the CNA's vectorreceipt
Weakness classCWE-522 Insufficiently Protected Credentialsreceipt
Published consequencesCWE-522: Access Control: Gain Privileges or Assume Identity[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

First unaffected version, by branchaspect-ent-12 firmware 3.08.03; aspect-ent-2 firmware 3.08.03; aspect-ent-256 firmware 3.08.03; aspect-ent-96 firmware 3.08.03; matrix-11 firmware 3.08.03; matrix-216 firmware 3.08.03receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

CVSS, the CNA9.3 CRITICALreceipt
CVSS, NVD9.8 CRITICALreceipt
Exploit probability0.00428 · top 63% of all CVEsreceipt
Blast breadth19 products across 1 vendorderived
Assigned byABBreceipt
Recorded changes25 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productABB ASPECT-Enterprise; ABB NEXUS Series; ABB MATRIX Seriesreceipt
Published rangesabb nexus-2128 firmware < 3.08.03; abb nexus-2128-a firmware < 3.08.03; abb nexus-2128-f firmware < 3.08.03; abb nexus-2128-g firmware < 3.08.03receipt
Show all 19 published ranges
abb nexus-2128 firmware < 3.08.03
abb nexus-2128-a firmware < 3.08.03
abb nexus-2128-f firmware < 3.08.03
abb nexus-2128-g firmware < 3.08.03
abb nexus-264 firmware < 3.08.03
abb nexus-264-a firmware < 3.08.03
abb nexus-264-f firmware < 3.08.03
abb nexus-264-g firmware < 3.08.03
abb nexus-3-2128 firmware < 3.08.03
abb nexus-3-264 firmware < 3.08.03
abb matrix-11 firmware < 3.08.03
abb matrix-216 firmware < 3.08.03
abb matrix-232 firmware < 3.08.03
abb matrix-264 firmware < 3.08.03
abb matrix-296 firmware < 3.08.03
abb aspect-ent-12 firmware < 3.08.03
abb aspect-ent-2 firmware < 3.08.03
abb aspect-ent-256 firmware < 3.08.03
abb aspect-ent-96 firmware < 3.08.03

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

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 receipt

NVD's analysis a second authority

severity
9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
weakness
CWE-522
affected versions
abb nexus-2128 firmware < 3.08.03; abb nexus-2128-a firmware < 3.08.03; abb nexus-2128-f firmware < 3.08.03; and 16 more, listed in full below
also scored by
[email protected] 9.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X ·…

The CNA scored it 9.3 and NVD 9.8. Both are shown because both were published; we do not pick one.

check it yourself search.abb.com receipt

Movement the material steps

7 Dec 20240.00043
17 Mar 20250.00088 · scoring model v2025.03.14
15 Jun 20260.00408 · scoring model v2026.06.15
14 Sep 20260.00428
Show all 25 observations
7 Dec 20240.00043
28 Feb 20250.00091
17 Mar 20250.00088
29 Mar 20250.0017
30 Mar 20250.00088
6 Apr 20250.00121
3 May 20250.00087
4 May 20250.00097
15 May 20250.00123
1 Jul 20250.00139
11 Jul 20250.00156
10 Aug 20250.0017
21 Aug 20250.00179
31 Aug 20250.00184
21 Sep 20250.00199
1 Oct 20250.00234
18 Nov 20250.00323
21 Nov 20250.00234
13 Jan 20260.00372
21 Feb 20260.00408
7 Mar 20260.00312
26 Apr 20260.00424
15 Jun 20260.00408
30 Jun 20260.00416
14 Sep 20260.00428

25 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00428Published2024-12-05Index as of2026-09-14

The record had been public for 1 year, 9 months when this index was last written.

Published 2024-12-05 receipt · Index as of 2026-09-14 derived

The pattern, elsewhere

This record is one instance of CWE-522, insufficiently protected credentials. The index holds 1501 prior instances of this class, 5 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2021-30116nothing comparable heldKEV listed · 2021receipt
CVE-2014-1812nothing comparable heldKEV listed · 2014receipt
CVE-2021-22681 · Rockwell Automation Studio 5000 Logix…only 1 attribute comparableKEV listed · 2021receipt
CVE-2020-29583nothing comparable heldKEV listed · 2020receipt
CVE-2017-9248nothing comparable heldKEV listed · 2017receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

1501 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

Siblings and hubs

Records related to this one

Browse the index from here

These are index-wide views, not findings about CVE-2024-51545.

What usually comes next

Everything above needs no account. What is below is work: assembling it, scoping it to your estate, watching it, and handing it to someone else.

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