CVE-2020-8618 | BDVDB-2026-137476 Detail

ISCBIND9

Description#

An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12020-06-17Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2020-06-17
Last modified: 2024-09-16

Vendor information

Vendor: ISC
Product: BIND9

All ISC vulnerabilities

Score

4.9 Medium

EPSS

1.8%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 79.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
9.16.0 -> 9.16.3
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.9 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).