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CVE-2023-45278

25
FAUCET Score

CVE-2023-45278 is a critical directory traversal vulnerability affecting Yamcs 5.8.6, specifically within its API storage functionality. An unauthenticated attacker can exploit this flaw remotely with low complexity by sending a crafted HTTP DELETE request, leading to the deletion of arbitrary files on the system. While the CVSS score is 9.1 (CRITICAL) indicating high impact on integrity and availability, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.8.6CPE matchmatch criteria
cpe:2.3:a:spaceapplications:yamcs:5.8.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.58%
Probability of exploitation in next 30 days
EPSS Percentile
73.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0158 is in the 60th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.yamcs:yamcsFixed in: 5.8.7

Vendor Advisories (1)

mavenGHSA-43fw-536j-w37jcritical

Yamcs API Directory Traversal vulnerability

Oct 19, 2023

References

github.com / yamcs/yamcs/compare/yamcs-5.8.6...yamcs-5.8.7
Patch
linkedin.com / pulse/yamcs-vulnerability-assessment-visionspace-technologies
ExploitThird Party Advisory