CVE-2022-3920 | Consul Peering Imported Nodes/Services Leak

HashiCorp Consul and Consul Enterprise 1.13.0 up to 1.13.3 do not filter cluster filtering's imported nodes and services for HTTP or RPC endpoints used by the UI. Fixed in 1.14.0.

Published: 2022-11-15 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2022-3920 is rated Low Risk (37.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.66%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2022-3920

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 2026-06-15 0.41% 0.66% +0.25%
2 2026-05-27 0.48% 0.41% -0.07%
3 2026-04-24 0.48%

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-3920

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-3920

GitHub Security Advisory for CVE-2022-3920

GHSA-gw2g-hhc9-wgjh · Severity: high · Ecosystem: go — Missing Authorization in HashiCorp Consul

OS Trackers for CVE-2022-3920

vendor priority summary link
alpine high CVE-2022-3920: 1 source package rows (consul); 4 state rows across 3 repos (3.17-community, 3.18-community, edge-community); fixed 3, open 1. https://security.alpinelinux.org/vuln/CVE-2022-3920
debian unimportant CVE-2022-3920 unimportant priority: Debian including 1 source packages (consul), 1 status rows across 1 suites (bullseye): resolved 1. https://security-tracker.debian.org/tracker/CVE-2022-3920
redhat medium https://access.redhat.com/security/cve/CVE-2022-3920
ubuntu medium CVE-2022-3920 medium priority: Ubuntu including 1 source packages (consul), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 5, ignored 4, needs-triage 4. https://ubuntu.com/security/CVE-2022-3920

Affected software / configurations for CVE-2022-3920

Vendor Product Version Raw CPE
hashicorp consul >= 1.13.0, <= 1.13.3 cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*
hashicorp consul >= 1.13.0, <= 1.13.3 cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*

References for CVE-2022-3920

cvelogic Threat Intelligence