Vulnerability in Isc Bind
CVE-2020-8620
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000
Affected products
- Isc Bind — versions 9.9.12, 9.9.13, 9.11.3
- Isc Bind9 — versions 9.15.6
- NetApp Steelstore Cloud Integrated Storage
- Canonical Ubuntu Linux — versions 12.04, 16.04, 18.04
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
References
- kb.isc.org/docs/cve-2020-8620 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20200827-0003/ (Third Party Advisory)
- usn.ubuntu.com/4468-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202008-19 (vendor-advisory, Third Party Advisory)
- www.synology.com/security/advisory/Synology_SA_20_19 (Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8620?
- CVE-2020-8620 is a high-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2020-08-21.
- How severe is CVE-2020-8620?
- High severity. CVSS v3 base score is 7.5 out of 10.