01 Record
CVE-2019-12256
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Wind River VxWorks 6.9 and vx7 has a Buffer Overflow in the IPv4 component. There is an IPNET security vulnerability: Stack overflow in the parsing of IPv4 packets’ IP options.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 26.82% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.0% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-08-09 17:57Z7 YR AGO
- Last updated
- 2024-08-04 23:17Z2 YR AGO
- Reserved
- 2019-05-21
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
- Data version
- 5.1
- Document digest
- a682f7d90f2eba47ccd19f0c0367692eff214b73cb474e364d2460d4bb10ce59
05 Affected products
VendorProductVersionsPlatforms
06 References
- support2.windriver.comhttps://support2.windriver.com/index.php?page=security-notices
- psirt.global.sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0009
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-632562.pdf
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20190802-0001/
- www.windriver.comhttps://www.windriver.com/security/announcements/tcp-ip-network-stack-ipnet-urgent11/
- support2.windriver.comhttps://support2.windriver.com/index.php?page=cve&on=view&id=CVE-2019-12256
- support.f5.comhttps://support.f5.com/csp/article/K41190253
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-189842.pdf
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-352504.pdf