CVE-2023-3300 | Nomad Search API Leaks Information About CSI Plugins

HashiCorp Nomad and Nomad Enterprise 0.11.0 up to 1.5.6 and 1.4.1 HTTP search API can reveal names of available CSI plugins to unauthenticated users or users without the plugin:read policy. Fixed in 1.6.0, 1.5.7, and 1.4.1.

Published: 2023-07-19 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-3300 is rated Low Risk (33.7/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.47%). 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-2023-3300

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 0.81% 0.47% -0.34%
2 2026-05-15 0.68% 0.81% +0.12%
3 2026-04-13 0.68%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-3300

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]
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]

Weakness enumeration for CVE-2023-3300

GitHub Security Advisory for CVE-2023-3300

GHSA-v5fm-hr72-27hx · Severity: medium · Ecosystem: go — Nomad Search API Leaks Information About CSI Plugins

OS Trackers for CVE-2023-3300

vendor priority summary link
alpine medium CVE-2023-3300: 1 source package rows (nomad); 8 state rows across 1 repos (edge-community); fixed 0, open 8. https://security.alpinelinux.org/vuln/CVE-2023-3300
ubuntu medium CVE-2023-3300 medium priority: Ubuntu including 1 source packages (nomad), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 8, needs-triage 3, ignored 2. https://ubuntu.com/security/CVE-2023-3300

Affected software / configurations for CVE-2023-3300

Vendor Product Version Raw CPE
hashicorp nomad >= 0.11.0, <= 1.4.1 cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
hashicorp nomad >= 0.11.0, <= 1.4.1 cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
hashicorp nomad >= 1.5.0, <= 1.5.6 cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*
hashicorp nomad >= 1.5.0, <= 1.5.6 cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*

References for CVE-2023-3300

cvelogic Threat Intelligence