CVE-2020-8623
high-risk
Published 2020-08-21
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 crash. To be vulnerable, the system must: * be running BIND that was built with "--enable-native-pkcs11" * be signing one or more zones with an RSA key * be able to receive queries from a possible attacker
Do I need to act?
!
18.3% chance of exploitation in next 30 days
EPSS score — higher than 82% of all CVEs
-
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 (14)
References (22)
Vendor Advisory
https://kb.isc.org/docs/cve-2020-8623
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.debian.org/security/2020/dsa-4752
Third Party Advisory
https://www.synology.com/security/advisory/Synology_SA_20_19
Vendor Advisory
https://kb.isc.org/docs/cve-2020-8623
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/
and 2 more references
57
/ 100
high-risk
Severity
26/34 · High
Exploitability
13/34 · Low
Exposure
18/34 · Moderate