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    CVE-2020-10772

    An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound.

    Published:Jun 10, 2020
    Last Modified:Nov 21, 2024
    EPS:Nov 27, 2020
    EPSS Score:0.00303
    CVSS Score:7.5

    Affected Products

    Vendor
    Nlnetlabs
    Product
    Unbound
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-56444 (CVSS 5.9) — In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' …
    CVE-2026-56416 (CVSS 4.8) — In NLnet Labs Unbound up to and including version 1.25.1, when the validator builds the canonical RDATA form f…
    CVE-2026-55991 (CVSS 5.9) — In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, a remote unauthenticated client can trigger a libngtc…
    CVE-2026-55990 (CVSS 5.9) — In NLnet Labs Unbound 1.7.0 up to and including 1.25.1, when the 'dnscrypt:' clause lists more 'dnscrypt-provi…
    CVE-2026-55717 (CVSS 5.9) — In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'res…
    CVE-2026-55708 (CVSS 3.1) — In NLnet Labs Unbound 1.6.0 up to and including 1.25.1, the 'view_local_data' and 'view_local_datas' commands …
    CVE-2026-54478 (CVSS 3.7) — In NLnet Labs Unbound 1.18.0 up to and including 1.25.1, when Unbound listens on a 'proxy-protocol-port' inter…
    CVE-2026-52863 (CVSS 5.9) — In NLnet Labs Unbound 1.25.0 up to and including 1.25.1, a fix that makes the 'respip' and 'dns64' modules wor…
    CVE-2026-50252 (CVSS 5.7) — In NLnet Labs Unbound 1.4.22 up to and including 1.25.1, UDP source port is randomized and intended to serve a…
    CVE-2026-50251 (CVSS 5.3) — In NLnet Labs Unbound up to and including version 1.25.1, when 'unwanted-reply-threshold' is enabled (set to a…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High