CVE-2022-3080 | BIND 9 resolvers configured to answer from stale cache with zero stale-answer-client-timeout may terminate unexpectedly

By sending specific queries to the resolver, an attacker can cause named to crash.

Published: 2022-09-21 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-3080 is rated Moderate Risk (55.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.55%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-3080

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-02 1.49% 1.55% +0.07%
2 2026-06-15 0.10% 1.49% +1.38%
3 2025-11-21 — 0.10% —

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-3080

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-3080

OS Trackers for CVE-2022-3080

vendor priority summary link
alpine high CVE-2022-3080: 1 source package rows (bind); 7 state rows across 7 repos (3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 7, open 0. https://security.alpinelinux.org/vuln/CVE-2022-3080
debian not yet assigned CVE-2022-3080 not yet assigned priority: Debian including 1 source packages (bind9), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-3080
gentoo low CVE-2022-3080: 1 GLSA(s) (202210-25), 2 atom(s) (net-dns/bind, net-dns/bind-tools); latest impact low. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-3080
redhat high — https://access.redhat.com/security/cve/CVE-2022-3080
suse high CVE-2022-3080 severity important: SUSE including 300 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 723 product×package rows across 123 product lines (Image SLES15-SP4, Image SLES15-SP4-Azure-Basic, … (123 product lines)): Fixed 306, Known Not Affected 289, Known Affected 128. https://www.suse.com/security/cve/CVE-2022-3080/
ubuntu medium CVE-2022-3080 medium priority: Ubuntu including 2 source packages (bind9, isc-dhcp), 14 status rows across 7 suites (bionic, focal, jammy, kinetic, trusty, upstream, xenial): not-affected 10, needs-triage 2, released 2. https://ubuntu.com/security/CVE-2022-3080

Affected software / configurations for CVE-2022-3080

Vendor Product Version Raw CPE
isc bind >= 9.16.14, < 9.16.33 cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
isc bind >= 9.18.0, < 9.18.7 cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
isc bind >= 9.19.0, < 9.19.5 cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
isc bind 9.16.14 cpe:2.3:a:isc:bind:9.16.14:s1:*:*:supported_preview:*:*:*
isc bind 9.16.21 cpe:2.3:a:isc:bind:9.16.21:s1:*:*:supported_preview:*:*:*
isc bind 9.16.32 cpe:2.3:a:isc:bind:9.16.32:s1:*:*:supported_preview:*:*:*
fedoraproject fedora 35 cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
fedoraproject fedora 36 cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
fedoraproject fedora 37 cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

References for CVE-2022-3080

cvelogic Threat Intelligence