CVE-2023-20859

In Spring Vault, versions 3.0.x prior to 3.0.2 and versions 2.3.x prior to 2.3.3 and older versions, an application is vulnerable to insertion of sensitive information into a log file when it attempts to revoke a Vault batch token.

Published: 2023-03-23 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-20859 is rated Low Risk (26.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). 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-2023-20859

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 0.07% 0.22% +0.16%
2 2025-03-17 0.04% 0.07% +0.02%
3 2023-03-24 0.04%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-20859

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
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:L)
A normal user session is enough; they don’t have to be admin.
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.
1.8 3.6 [email protected]

Weakness enumeration for CVE-2023-20859

GitHub Security Advisory for CVE-2023-20859

GHSA-r47r-87p9-8jh3 · Severity: medium · Ecosystem: maven — Spring Vault vulnerable to insertion of sensitive information into a log file

Affected software / configurations for CVE-2023-20859

Vendor Product Version Raw CPE
vmware spring_cloud_config >= 3.1.0, <= 3.1.6 cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*
vmware spring_cloud_config >= 4.0.0, <= 4.0.1 cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*
vmware spring_cloud_vault >= 3.1.0, <= 3.1.2 cpe:2.3:a:vmware:spring_cloud_vault:*:*:*:*:*:*:*:*
vmware spring_cloud_vault 4.0.0 cpe:2.3:a:vmware:spring_cloud_vault:4.0.0:*:*:*:*:*:*:*
vmware spring_vault >= 2.3.0, < 2.3.3 cpe:2.3:a:vmware:spring_vault:*:*:*:*:*:*:*:*
vmware spring_vault >= 3.0.0, < 3.0.2 cpe:2.3:a:vmware:spring_vault:*:*:*:*:*:*:*:*

References for CVE-2023-20859

cvelogic Threat Intelligence