CVE-2020-8624

update-policy rules of type "subdomain" are enforced incorrectly

MEDIUM
4.3
CVSS Score
Published: August 21, 2020 at 08:50 PM UTC
Updated: June 17, 2026 at 03:26 AM UTC
6 products affected across 6 vendorsDebian LinuxFedoraUbuntu Linux

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Severity
MEDIUM4.3
Exploit prediction
EPSS 4%

Description

In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.21, 9.12.1 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.12-S1 -> 9.9.13-S1, 9.11.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker who has been granted privileges to change a specific subset of the zone's content could abuse these unintended additional privileges to update other contents of the zone.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 9.10.7v ≥ 9.11.3v ≥ 9.11.3-S1v ≥ 9.12.1v ≥ 9.17.0v ≥ 9.9.12v ≥ 9.9.12-S1v ≤ 9.10.8v ≤ 9.9.13v ≤ 9.9.13-S1v < 9.11.22v < 9.11.22-S1v < 9.16.6v < 9.17.49.10.7 ≤ v ≤ 9.10.89.11.3 ≤ v ≤ 9.11.219.12.1 ≤ v ≤ 9.16.59.17.0 ≤ v ≤ 9.17.39.9.12 ≤ v ≤ 9.9.139.10.79.11.21 s19.11.39.11.3 s19.11.3-S19.12.19.17.09.9.129.9.12 s19.9.12-S19.9.13 s1
Affected range stops below 9.11.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.11.22-S1, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.16.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.17.4, so it looks safe — our inference, not a vendor statement

CVSS

4.3MEDIUMisc
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-269

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