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No exploitation reportedFix available

CVE-2019-12263

No exploitation reported by the sources we read.

  • Published2019-08-09
  • WeaknessCWE-362 · CWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.

Timeline

dates in UTC
  1. 2019-08-0919:15CVE publishedNVD

Versions per branch

NVD
SonicWall SonicOS
BranchAffectedFixed in
6.5≥ 6.5.2.0, ≤ 6.5.2.3no fix published
5.9≥ 5.9.0.0, ≤ 5.9.0.7no fix published
5.9≥ 5.9.1.0., ≤ 5.9.1.12no fix published
6.2≥ 6.2.0.0, ≤ 6.2.3.1no fix published
6.2≥ 6.2.4.0, ≤ 6.2.4.3no fix published
6.2≥ 6.2.5.0, ≤ 6.2.5.3no fix published
6.2≥ 6.2.6.0, ≤ 6.2.6.1no fix published
6.2≥ 6.2.7.0, ≤ 6.2.7.4no fix published
6.2≥ 6.2.9.0, ≤ 6.2.9.2no fix published
6.5≥ 6.5.0.0, ≤ 6.5.0.3no fix published
6.5≥ 6.5.1.0, ≤ 6.5.1.4no fix published
6.5≥ 6.5.3.0, ≤ 6.5.3.3no fix published
Belden hirschmann hiosversion to verify
BranchAffectedFixed in
7.0≤ 07.0.07no fix published
7.5≤ 07.5.01no fix published
7.2≤ 07.2.04no fix published
5.3≤ 05.3.06no fix published
Siemens siprotec 5 firmwareversion to verify
BranchAffectedFixed in
7.91< 7.917.91
7.59< 7.597.59

9 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-23-320-10 CISA1 known affected

    Siemens SIPROTEC 4 7SJ66

    SIPROTEC 4 7SJ66

  • SSA-617233 Siemens ProductCERT1 known affected

    SSA-617233: Urgent/11 TCP/IP Stack Vulnerabilities in SIPROTEC 4 7SJ66 Devices

    SIPROTEC 4 7SJ66

  • ICSA-19-274-01 CISA8 known affected

    Interpeak IPnet TCP/IP Stack (Update E)

    ENEA OSE: OSE4 · ENEA OSE: OSE5 · Green Hills Software INTEGRITY RTOS: >=2003|<=2006 · +5 more

  • ICSMA-19-274-01 CISA9 known affected

    Interpeak IPnet TCP/IP Stack (Update D)

    OSE by ENEA, INTEGRITY RTOS by Green Hills Software, ITRON, ZebOS by IP Infusion, and VxWorks by Wind River - The Interpeak IPnet stack has been identified to be affected by CVE-2019-12255, CVE-2019-… · OSE by ENEA, INTEGRITY RTOS by Green Hills Software, ITRON, ZebOS by IP Infusion, and VxWorks by Wind River - ENEA reports that OSE4 and OSE5 may have been bundled with Interpeak IPnet from 2004-2006… · ENEA OSE 5 · +6 more

  • ICSA-19-211-01 CISA6 known affected

    Wind River VxWorks (Update A)

    Wind River VxWorks: 6.9.4.11 · Wind River VxWorks Vx7: SR540 · Wind River VxWorks Vx7: SR610 · +3 more

Full record on NVD

Fix

  1. Vendor fix Siemens ProductCERT SSA-617233 · 1 productUpdate to V4.41 or later version
  2. Vendor fix CISA ICSA-23-320-10 · 1 productUpdate to V4.41 or later version
  3. Vendor fix CISA ICSMA-19-274-01 · 9 productsEnea has no IPNet customers on support contract in the United States.
  4. Vendor fix CISA ICSMA-19-274-01 · 9 productsGreen Hills Software has proactively informed affected users and offers consulting services to implement mitigations.
  5. Vendor fix CISA ICSMA-19-274-01 · 9 productsMicrosoft states they have no history of support or integration work to include IPnet and have not released a version of ThreadX bundled with IPnet. Microsoft does caution that some hardware makers could have used ThreadX and a custom set IPnet in the hardware.
  6. Vendor fix CISA ICSMA-19-274-01 · 9 productsTRON Forum reports they only publish the specification for ITRON RTOS. Various implementations are used by many users world-wide and are created by various implementors (some commercial, and some academic and some government) according the specification document. TRON Forum, the caretaker of the IT…

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2019-08-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-34m3-97v7-926m

Frequently asked questions

What is CVE-2019-12263?

Wind River VxWorks 6.9.4 and vx7 has a Buffer Overflow in the TCP component (issue 4 of 4). There is an IPNET security vulnerability: TCP Urgent Pointer state confusion due to race condition.

Is CVE-2019-12263 actively exploited?

Active exploitation of CVE-2019-12263 has not been confirmed. Its EPSS score was 3.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-12263?

CVE-2019-12263 has a CVSS v3 base score of 8.1 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record