Risk | High |
Patch available | YES |
Number of vulnerabilities | 2 |
CVE ID | CVE-2020-16899 CVE-2020-16898 |
CWE ID | CWE-119 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #2 is available. |
Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
Vendor | Microsoft |
Risk: Medium
CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2020-16899
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. A remote attacker can send specially crafted ICMPv6 Router Advertisement packets, trigger memory corruption and cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 1709, 10 1803, 10 1809, 10 1903, 10 1909, 10 2004
Windows Server: 2019, 2019 1903, 2019 1909, 2019 2004
CPEhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16899
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
Risk: High
CVSSv3: 8.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2020-16898
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Exploit availability: Yes
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the Windows TCP/IP stack improperly handles ICMPv6 Router Advertisement packets. A remote attacker can send specially crafted ICMPv6 Router Advertisement packets, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsWindows: 10 1709, 10 1803, 10 1809, 10 1903, 10 1909, 10 2004
Windows Server: 2019, 2019 1903, 2019 1909, 2019 2004
CPEhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16898
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.