CVE-2020-8620

high-risk
Published 2020-08-21

In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who can establish a TCP connection with the server and send data on that connection can exploit this to trigger the assertion failure, causing the server to exit.

Do I need to act?

~
8.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (11)

Affected Vendors

Isc Canonical Netapp Opensuse

References (14)

Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
Vendor Advisory https://kb.isc.org/docs/cve-2020-8620
Third Party Advisory https://security.gentoo.org/glsa/202008-19
Third Party Advisory https://security.netapp.com/advisory/ntap-20200827-0003/
Third Party Advisory https://usn.ubuntu.com/4468-1/
Third Party Advisory https://www.synology.com/security/advisory/Synology_SA_20_19
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
Vendor Advisory https://kb.isc.org/docs/cve-2020-8620
Third Party Advisory https://security.gentoo.org/glsa/202008-19
Third Party Advisory https://security.netapp.com/advisory/ntap-20200827-0003/
Third Party Advisory https://usn.ubuntu.com/4468-1/
Third Party Advisory https://www.synology.com/security/advisory/Synology_SA_20_19
52
/ 100
high-risk
Severity 26/34 · High
Exploitability 10/34 · Low
Exposure 16/34 · Moderate