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CVE-2013-0662

INDEX BUILT · 2026-09-20

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Multiple stack-based buffer overflows in ModbusDrv.exe in Schneider Electric Modbus Serial Driver 1.10 through 3.2 allow remote attackers to execute…

CVE-2013-06623 of 4 sources documented this
39

rank 39 = 6 + 23 + 0 + 10 + 0

rank@v1 · scheduled

Someone is already using it

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

EPSS 0.22293  ·  without this subject the record ranks 33

What it costs you if it fires

NVD CVSS base score, then the CNA's own

CVSS 9.3, from NVD  ·  without this subject the record ranks 16

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 39

How much of the world it touches

NVD CPE configurations

20 products in the CPE ranges  ·  without this subject the record ranks 29

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 39

Unaudited dollar value2 of 3 inputs carry a receipt
Exposure$1.11Mover the next 30 days, if this record is yours
Movement+$2.28Mon 2024-12-17, the last material move, 1 year, 6 months before this reading
Basisassumeda published average, not your estate

$1.11M = $4.99M incident cost x 1 exposure x 0.22293 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

0.22293EPSSNOT IN KEVas of 2026-09-20
Severity9.3 CRITICALreceipt
Harmtotal loss · unauthenticatedreceipt
Exploitationnone in held sources
Defenseno fix version held
Movementrisenreceipt
PLATEAU10Minimal movement since 2026-06-15, 18 days at 0.22, as of 2026-07-03. arc-rules@v1

Foresight · where to check next

Ivanti ConnectWatchGuardVMware ESXiFortinetMicrosoft Windows0662

This record is one instance of CWE-787, out-of-bounds write. The index holds 14893 prior instances of this class, 164 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

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Harm, if it fires from the vector and the weakness

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Reachnetwork-reachable · no authenticationreceipt
ImpactComplete confidentiality, integrity and availability lossreceipt
Scored fromCVSS v2.0 · NVD's vectorreceipt
Weakness classCWE-787 Out-of-bounds Writereceipt
Published consequencesCWE-787: Integrity: Modify Memory, Execute Unauthorized Code or Commands; Availability: DoS: Crash, Exit, or Restart; Other: Unexpected State[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

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

Fixed inNo fix version in held sources, as the index stood on 3 Jul 2026.
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, NVD9.3 CRITICALreceipt
Exploit probability0.22293 · top 2% of all CVEsreceipt
Blast breadth12 products across 1 vendorderived
Assigned byicscertreceipt
Recorded changes23 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Named in the CPE rangesSchneider-electric modbus serial driver; Schneider-electric opc factory server; Schneider-electric somachine; and 9 morereceipt
Published rangesschneider-electric concept <= 2.6; schneider-electric modbus serial driver 1.10; schneider-electric modbus serial driver 2.2; schneider-electric modbus serial driver 3.2receipt
Show all 20 published ranges
schneider-electric concept <= 2.6
schneider-electric modbus serial driver 1.10
schneider-electric modbus serial driver 2.2
schneider-electric modbus serial driver 3.2
schneider-electric modbuscommdtm sl <= 2.1.2
schneider-electric opc factory server <= 3.5.0
schneider-electric opc factory server 3.34
schneider-electric opc factory server 3.35
schneider-electric pl7 <= 4.5
schneider-electric powersuite <= 2.6
schneider-electric sft2841 <= 14.0
schneider-electric sft2841 13.1
schneider-electric somachine <= 3.1
schneider-electric somachine 2.0
schneider-electric somachine 3.0
schneider-electric somove <= 1.7
schneider-electric twidosuite <= 2.31.04
schneider-electric unity pro <= 7.0
schneider-electric unity pro 6.0
schneider-electric unityloader <= 2.3

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

Multiple stack-based buffer overflows in ModbusDrv.exe in Schneider Electric Modbus Serial Driver 1.10 through 3.2 allow remote attackers to execute arbitrary code via a large buffer-size value in a Modbus Application Header. receipt

NVD's analysis a second authority

severity
9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C
weakness
CWE-787
affected versions
schneider-electric concept <= 2.6; schneider-electric modbus serial driver 1.10; schneider-electric modbus serial driver 2.2; and 17 more, listed in full below

check it yourself download.schneider-electric.com exploit-db.com ics-cert.us-cert.gov securityfocus.com exploit-db.com receipt

Dated events

2023-03-07EPSS moved 0.12 to 0.062024-12-17EPSS moved 0.15 to 0.612026-06-15EPSS moved 0.51 to 0.22

Movement the material steps

4 Feb 20220.11569
7 Mar 20230.0633 · crossed 0.10 · scoring model v2023.03.01
2 Aug 20230.10503 · crossed 0.10
22 Sep 20230.08548 · crossed 0.10
23 Dec 20230.10643 · crossed 0.10
17 Dec 20240.61027 · crossed 0.50
17 Mar 20250.51381 · scoring model v2025.03.14
29 Mar 20250.71052
30 Mar 20250.57657
15 Jun 20260.22124 · crossed 0.50 · scoring model v2026.06.15
3 Jul 20260.22293
Show all 23 observations
4 Feb 20220.11569
7 Mar 20230.0633
8 Mar 20230.06330
22 Apr 20230.08691
12 Jun 20230.08236
2 Aug 20230.10503
22 Sep 20230.08548
23 Dec 20230.10643
8 Feb 20240.11005
26 Mar 20240.11500
13 Dec 20240.15409
17 Dec 20240.61027
15 Feb 20250.64738
17 Mar 20250.51381
19 Mar 20250.57657
29 Mar 20250.71052
30 Mar 20250.57657
25 Apr 20250.63501
7 Jul 20250.57657
11 Nov 20250.50704
14 Mar 20260.50578
15 Jun 20260.22124
3 Jul 20260.22293

23 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 0.22293Published2014-03-28Index as of2026-07-03

The record had been public for 12 years, 3 months when this index was last written.

Published 2014-03-28 receipt · Index as of 2026-07-03 derived

The pattern, elsewhere

This record is one instance of CWE-787, out-of-bounds write. The index holds 14893 prior instances of this class, 164 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2025-0282 · Ivanti Connect Securenothing comparable heldKEV listed · 2025receipt
CVE-2025-14733 · WatchGuard Fireware OSnothing comparable heldKEV listed · 2025receipt
CVE-2025-22225 · VMware ESXinothing comparable heldKEV listed · 2025receipt
CVE-2025-22457 · Ivanti Connect Securenothing comparable heldKEV listed · 2025receipt
CVE-2024-21762 · Fortinet FortiProxynothing comparable heldKEV listed · 2024receipt
CVE-2024-30051 · Microsoft Windows 10 Version 1809nothing comparable heldKEV listed · 2024receipt

"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

14893 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.

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