Vulnerability in Isc Bind9
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: 0.183 (95.3th 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 Bind9 — versions 9.10.0, unspecified, 9.12.0
Public proof-of-concept exploits
References
- kb.isc.org/docs/cve-2020-8623 (x_refsource_CONFIRM)
- FEDORA-2020-a02b7a0f21 (vendor-advisory, x_refsource_FEDORA)
- security.netapp.com/advisory/ntap-20200827-0003/ (x_refsource_CONFIRM)
- USN-4468-1 (vendor-advisory, x_refsource_UBUNTU)
- DSA-4752 (vendor-advisory, x_refsource_DEBIAN)
- FEDORA-2020-14c194e5af (vendor-advisory, x_refsource_FEDORA)
- [debian-lts-announce] 20200829 [SECURITY] [DLA 2355-1] bind9 security update (mailing-list, x_refsource_MLIST)
- GLSA-202008-19 (vendor-advisory, x_refsource_GENTOO)
- www.synology.com/security/advisory/Synology_SA_20_19 (x_refsource_CONFIRM)
- openSUSE-SU-2020:1699 (vendor-advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2020-8623?
- CVE-2020-8623 is a high-severity vulnerability in Isc Bind9. 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.