Vulnerability in Isc Bind
CVE-2020-8623
In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.10.5-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker that can reach a vulnerable system with a specially crafted query packet can trigger a…
EPSS: 0.063 (92.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Isc Bind — versions 9.10.5, 9.11.21
- Isc Bind9 — versions 9.10.0, unspecified, 9.12.0
- Netapp Steelstore_cloud_integrated_storage
- Synology Dns_server
- Canonical Ubuntu_linux — versions 16.04, 18.04, 20.04
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 31, 32
- Opensuse Leap — versions 15.1, 15.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-officer@isc.org (x_refsource_CONFIRM, Vendor Advisory)
- security-officer@isc.org (x_refsource_FEDORA, vendor-advisory)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security-officer@isc.org (x_refsource_FEDORA, vendor-advisory)
- security-officer@isc.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security-officer@isc.org (x_refsource_CONFIRM, Third Party Advisory)
- security-officer@isc.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-8623?
- CVE-2020-8623 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-2020-8623?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-8623 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.