CVE-2019-12255
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4).
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 75.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
Wind River VxWorks has a Buffer Overflow in the TCP component (issue 1 of 4). This is a IPNET security vulnerability: TCP Urgent Pointer = 0 that leads to an integer underflow.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 75.25% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · first 12 August 2019
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- windriver/vxworks · netapp/e-series santricity os controller · sonicwall/sonicos · siemens/siprotec 5 firmware · 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 · belden/hirschmann hios · belden/garrettcom magnum dx940e firmware
- Source
- cve@mitre.org
EPSS 75.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.htmlExploit, Third Party Advisory, VDB Entry
- 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://support.f5.com/csp/article/K41190253?utm_source=f5support&%3Butm_medium=RSS
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255Vendor Advisory
- https://support2.windriver.com/index.php?page=security-noticesIssue Tracking, Vendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/Vendor Advisory
- http://packetstormsecurity.com/files/154022/VxWorks-6.8-Integer-Underflow.htmlExploit, Third Party Advisory, VDB Entry
- 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://support.f5.com/csp/article/K41190253?utm_source=f5support&%3Butm_medium=RSS
- https://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12255Vendor Advisory
- https://support2.windriver.com/index.php?page=security-noticesIssue Tracking, Vendor Advisory
- https://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.