CVE-2020-8620

7.5HIGH

Key Information

Vendor
Isc
Status
Bind9
Vendor
CVE Published:
21 August 2020

Badges

👾 Exploit Exists

Summary

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.

Affected Version(s)

BIND9 9.15.6

References

https://kb.isc.org/docs/cve-2020-8620
x_refsource_CONFIRM
https://security.netapp.com/advisory/ntap-20200827-0003/
x_refsource_CONFIRM
https://usn.ubuntu.com/4468-1/
vendor-advisoryx_refsource_UBUNTU

EPSS Score

3% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Collectors

NVD DatabaseMitre Database

Credit

ISC would like to thank Emanuel Almeida of Cisco Systems, Inc. for bringing this vulnerability to our attention.
.