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Vulnerabilities

Vulnerability · CVE-2021-21234

spring-boot-actuator-logview_project spring-boot-actuator-logview Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Nov 16, 2023 · catalog updated Nov 16, 2023 · spring-boot-actuator-logview_project spring-boot-actuator-logview Improper Limitation

Patch now

CVE-2021-21234 is in the CISA known-exploited catalog. Confirm spring-boot-actuator-logview_project spring-boot-actuator-logview Improper Limitation against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (spring-boot-actuator-logview_project spring-boot-actuator-logview Improper Limitation).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
21.01%
Remediation
Remediation guidance
Affected products
vendor spring-boot-actuator-logview_project spring-boot-actuator-logview

spring-boot-actuator-logview in a library that adds a simple logfile viewer as spring boot actuator endpoint. It is maven package "eu.hinsch:spring-boot-actuator-logview". In spring-boot-actuator-logview before version 0.2.13 there is a directory traversal vulnerability. The nature of this library is to expose a log file directory via admin (spring boot actuator) HTTP endpoints. Both the filename to view and a base folder (relative to the logging folder root) can be specified via request parameters. While the filename parameter was checked to prevent directory traversal exploits (so that would VulnCheck canary evidence.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor spring-boot-actuator-logview_project spring-boot-actuator-logviewversion unspecified

How to fix CVE-2021-21234

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-21234 is in the CISA known-exploited catalog. Confirm spring-boot-actuator-logview_project spring-boot-actuator-logview Improper Limitation against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 21.01%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 16, 2023 · VulnCheck KEV

    Detected

    spring-boot-actuator-logview in a library that adds a simple logfile viewer as spring boot actuator endpoint. It is maven package "eu.hinsch:spring-boot-actuator-logview". In spring-boot-actuator-logview before version 0.2.13 there is a directory traversal vulnerability. The nature of this library is to expose a log file directory via admin (spring boot actuator) HTTP endpoints. Both the filename

  2. Nov 16, 2023 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2021-21234

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-21234

    30-day exploitation probability 21.0%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2021-21234

    spring-boot-actuator-logview in a library that adds a simple logfile viewer as spring boot actuator endpoint. It is maven package "eu.hinsch:spring-boot-actuator-logview". In spring-boot-actuator-logview before version 0.2.13 there is a directory traversal vulnerability. The natu

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.