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CVE-2020-8620

HIGH
Published 2020-08-21T20:50:18.547365Z
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CVSS Score

V3.1
7.5
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.059
probability
of exploitation in the wild

There is a 5.9% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.902
Higher than 90.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

ISC

BIND9

Affected Versions:

9.15.6

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-p5fp-cw6q-m6xc

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-8620
WEB https://kb.isc.org/docs/cve-2020-8620
WEB https://security.gentoo.org/glsa/202008-19
WEB https://security.netapp.com/advisory/ntap-20200827-0003
WEB https://usn.ubuntu.com/4468-1
WEB https://www.synology.com/security/advisory/Synology_SA_20_19
WEB http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
WEB http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: June 3, 2022

References

https://kb.isc.org/docs/cve-2020-8620
https://security.netapp.com/advisory/ntap-20200827-0003/
https://usn.ubuntu.com/4468-1/
https://security.gentoo.org/glsa/202008-19
https://www.synology.com/security/advisory/Synology_SA_20_19
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.html
Published: 2020-08-21T20:50:18.547365Z
Last Modified: 2024-09-17T01:40:34.573Z
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