HIGH
CVE-2019-12259
CWE-476Published: August 9, 2019· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and vx7 has an array index error in the IGMPv3 client component. There is an IPNET security vulnerability: DoS via NULL dereference in IGMP parsing.
Technical Analysis
CVE-2019-12259 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
belden33 product(s)
hirschmann hioshirschmann ees20hirschmann ees25hirschmann eesx20hirschmann eesx30hirschmann grs1020hirschmann grs1030hirschmann grs1042hirschmann grs1120hirschmann grs1130hirschmann grs1142hirschmann msp30+21
siemens14 product(s)
siprotec 5 firmwaresiprotec 5ruggedcom win7000 firmwareruggedcom win7000ruggedcom win7200 firmwareruggedcom win7200ruggedcom win7025 firmwareruggedcom win7025ruggedcom win7018 firmwareruggedcom win70189410 power meter firmware9410 power meter+2
sonicwall1 product(s)
sonicos
windriver1 product(s)
vxworks
Source: NVD CPE · 53 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (18)
→
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdfThird Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfThird Party Advisory
→
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190802-0001/Third Party Advisory
→
https://support.f5.com/csp/article/K41190253Third Party Advisory
→
https://support2.windriver.com/index.php?page=security-noticesIssue Tracking · Vendor Advisory
→
→
https://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdfThird Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdfThird Party Advisory
→
https://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdfThird Party Advisory
→
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20190802-0001/Third Party Advisory
→
https://support.f5.com/csp/article/K41190253Third Party Advisory
Quick Facts
CVE IDCVE-2019-12259
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-476
CISA KEVNo
Affected4 vendor(s)
PublishedAug 9, 2019
Related CVEs (CWE-476)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-12259 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.