CVE-2019-12260
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is...
CVE-2019-12260 is a critical vulnerability (CVSS 9.8) in Windriver Vxworks, published August 9, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 23.2%, the 97th percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.1, NVD
- Exploit chance
- 23.2%EPSS, 97th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
- windriver vxworks
- belden garrettcom magnum dx940e firmware
- belden hirschmann hios
- netapp e-series santricity os controller
- oracle communications eagle
- siemens power meter 9410 firmware
- siemens power meter 9810 firmware
- siemens ruggedcom win7000 firmware
- siemens ruggedcom win7018 firmware
- siemens ruggedcom win7025 firmware
- siemens ruggedcom win7200 firmware
- siemens siprotec 5 firmware
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What each source reports
NVD Score used
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.
- Record
CVE-2019-12260- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE ListNo score
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.
- Record
CVE-2019-12260- Updated
- 2026-11-02
EUVDEUVD-2019-3902No score
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.
- Record
EUVD-2019-3902- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6422-rqxx-vrcj
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is...
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the TCP component (issue 2 of 4). This is an IPNET security vulnerability: TCP Urgent Pointer state confusion caused by a malformed TCP AO option.
- Record
GHSA-6422-rqxx-vrcj- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119, CWE-120, CWE-787
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
oracle.com/security-alerts/cpuoct2020.html
support2.windriver.com/index.php?page=security-notices
psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
security.netapp.com/advisory/ntap-20190802-0001
windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11
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support.f5.com/csp/article/K41190253
nvd.nist.gov/vuln/detail/CVE-2019-12260
github.com/advisories/GHSA-6422-rqxx-vrcj