CVE-2023-45277

Name: CVE-2023-45277
Creator: NVD / NIST
Published: 2023-10-19T17:15:10.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.00%

Last modified Jun 17, 2026

CVE-2023-45277 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.00%

58.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Spaceapplications	Yamcs	5.8.6

References

https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologiesExploit, Third Party Advisory
https://github.com/yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7Patch
https://www.linkedin.com/pulse/yamcs-vulnerability-assessment-visionspace-technologiesExploit, Third Party Advisory

Timeline

Published: Oct 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-45277?

How severe is CVE-2023-45277?

CVE-2023-45277 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.

How do I fix CVE-2023-45277?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-45277?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST