How severe is CVE-2023-20859?

CVE-2023-20859 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-20859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-20859?

CVE-2023-20859 primarily affects Vmware Spring Cloud Config. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-20859?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-20859 published?

CVE-2023-20859 was published on 2023-03-23 and last updated on 2026-06-17.

CVE-2023-20859

CVE-2023-20859 is a medium-severity vulnerability in Vmware Spring Cloud Config with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-532.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Vmware Spring Cloud Config
Published: 2023-03-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-20859?: CVE-2023-20859 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-20859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-20859?: CVE-2023-20859 primarily affects Vmware Spring Cloud Config. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-20859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-20859 published?: CVE-2023-20859 was published on 2023-03-23 and last updated on 2026-06-17.

References

https://spring.io/security/cve-2023-20859

Affected products (4)

cpe:2.3:a:vmware:spring_cloud_config:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:spring_cloud_vault:*:*:*:*:*:*:*:*
cpe:2.3:a:vmware:spring_cloud_vault:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:spring_vault:*:*:*:*:*:*:*:*

More vulnerabilities in Vmware Spring Cloud Config

CVE-2026-40982 — Critical (CVSS 9.1): Spring Cloud Config allows applications to serve arbitrary text and binary files through the spring-cloud-config-server…
CVE-2026-40981 — High (CVSS 7.5): When using Google Secrets Manager as a backend for the Spring Cloud Config server a client can craft a request to the…
CVE-2020-5410 — High (CVSS 7.5): Spring Cloud Config, versions 2.2.x prior to 2.2.3, versions 2.1.x prior to 2.1.9, and older unsupported versions allow…
CVE-2026-41002 — High (CVSS 7.2): The base directory (`spring.cloud.config.server.git.basedir`) used by the Spring Cloud Config Server to clone Git…
CVE-2020-5405 — Medium (CVSS 6.5): Spring Cloud Config, versions 2.2.x prior to 2.2.2, versions 2.1.x prior to 2.1.7, and older unsupported versions allow…
CVE-2019-3799 — Medium (CVSS 6.5): Spring Cloud Config, versions 2.1.x prior to 2.1.2, versions 2.0.x prior to 2.0.4, and versions 1.4.x prior to 1.4.6,…

All CVEs affecting Vmware Spring Cloud Config →

Other CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities

CVE-2022-36407 — Critical (CVSS 9.9): Insertion of Sensitive Information into Log File vulnerability in Hitachi Virtual Storage Platform, Hitachi Virtual…
CVE-2023-40029 — Critical (CVSS 9.9): Argo CD is a declarative continuous deployment for Kubernetes. Argo CD Cluster secrets might be managed declaratively…
CVE-2021-32724 — Critical (CVSS 9.9): check-spelling is a github action which provides CI spell checking. In affected versions and for a repository with the…
CVE-2026-49200 — Critical (CVSS 9.8): The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file…
CVE-2026-22778 — Critical (CVSS 9.8): vLLM is an inference and serving engine for large language models (LLMs). From 0.8.3 to before 0.14.1, when an invalid…
CVE-2025-11008 — Critical (CVSS 9.8): The CE21 Suite plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and…

Browse all CWE-532 (Insertion of Sensitive Information into Log File) vulnerabilities →