CVE-2019-12256

CRITICALCVSS 9.8/10EPSS 26.63%

Last modified

CVE-2019-12256 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 26.63% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
26.63%

97.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WindriverVxworks>= 6.5, < 6.9.4.12
NetappE-Series Santricity Os Controller>= 8.00, <= 8.40.50.00
SonicwallSonicos>= 5.9.0.0, <= 5.9.0.7
SonicwallSonicos>= 5.9.1.0., <= 5.9.1.12
SonicwallSonicos>= 6.2.0.0, <= 6.2.3.1
SonicwallSonicos>= 6.2.4.0, <= 6.2.4.3
SonicwallSonicos>= 6.2.5.0, <= 6.2.5.3
SonicwallSonicos>= 6.2.6.0, <= 6.2.6.1
SonicwallSonicos>= 6.2.7.0, <= 6.2.7.4
SonicwallSonicos>= 6.2.9.0, <= 6.2.9.2
SonicwallSonicos>= 6.5.0.0, <= 6.5.0.3
SonicwallSonicos>= 6.5.1.0, <= 6.5.1.4
SonicwallSonicos>= 6.5.2.0, <= 6.5.2.3
SonicwallSonicos>= 6.5.3.0, <= 6.5.3.3
SonicwallSonicos>= 6.5.4.0., <= 6.5.4.3
SonicwallSonicos6.2.7.0
SonicwallSonicos6.2.7.1
SonicwallSonicos6.2.7.7
SiemensSiprotec 5 Firmware< 7.59
SiemensSiprotec 5 Firmware< 7.91
SiemensPower Meter 9410 Firmware< 2.2.1
SiemensPower Meter 9810 FirmwareAll versions
SiemensRuggedcom Win7000 Firmware< bs5.2.461.17
SiemensRuggedcom Win7018 Firmware< bs5.2.461.17
SiemensRuggedcom Win7025 Firmware< bs5.2.461.17
SiemensRuggedcom Win7200 Firmware< bs5.2.461.17
BeldenHirschmann Hios<= 07.0.07
BeldenHirschmann Hios<= 07.5.01
BeldenHirschmann Hios<= 07.2.04
BeldenHirschmann Hios<= 05.3.06
BeldenGarrettcom Magnum Dx940e Firmware<= 1.0.1_y7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2019-12256?
CVE-2019-12256 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 26.63% probability of exploitation in the next 30 days.
How do I fix CVE-2019-12256?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12256?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST