Vulnerability in Isc Bind
CVE-2020-8618
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Isc Bind
- Isc Bind9 — versions 9.16.0 -> 9.16.3
- NetApp Steelstore Cloud Integrated Storage
- Canonical Ubuntu Linux — versions 20.04
- openSUSE Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- kb.isc.org/docs/cve-2020-8618 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20200625-0003/ (Third Party Advisory)
- usn.ubuntu.com/4399-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-8618?
- CVE-2020-8618 is a medium-severity vulnerability in Isc Bind, classified under Reachable Assertion. CVSS score: 4.9/10. Published 2020-06-17.
- How severe is CVE-2020-8618?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2020-8618 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.