What’s Vulnerable › Vulnerabilities

CVE-2020-14305

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-02 · updated 2026-06-17
• Weakness: CWE-787

Description

An out-of-bounds memory write flaw was found in how the Linux kernel’s Voice Over IP H.323 connection tracking functionality handled connections on ipv6 port 1720. This flaw allows an unauthenticated remote user to crash the system, causing a denial of service. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Affected products

• Linux kernel: through 4.11.12; 4.12
• NetApp A250 Firmware: all versions
• NetApp Aff 500F Firmware: all versions
• NetApp Cloud Backup: all versions
• NetApp Fas 500F Firmware: all versions
• NetApp Solidfire Baseboard Management Controller Firmware: all versions

References

• https://bugs.openvz.org/browse/OVZ-7188
• https://bugzilla.redhat.com/show_bug.cgi?id=1850716
• https://patchwork.ozlabs.org/project/netfilter-devel/patch/c2385b5c-309c-cc64-2e10-a0ef62897502%40virtuozzo.com/
• https://security.netapp.com/advisory/ntap-20201210-0004/
• https://bugs.openvz.org/browse/OVZ-7188
• https://bugzilla.redhat.com/show_bug.cgi?id=1850716
• https://patchwork.ozlabs.org/project/netfilter-devel/patch/c2385b5c-309c-cc64-2e10-a0ef62897502%40virtuozzo.com/
• https://security.netapp.com/advisory/ntap-20201210-0004/

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