CVE-2023-45277

highpriority · track · 40EPSS 0.012 · 68 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.22% (68th) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-24

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nsecondary · OSV

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US

exploits (1)

Public proof-of-concept and weaponised exploit code.

shoucheng3/yamcs__yamcs_CVE-2023-45277_5-8-6shoucheng3/yamcs__yamcs_CVE-2023-45277_5-8-6PoC · poc_in_github

affected products (3)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
spaceapplications yamcs= 5.8.6nvdUScpe:2.3:a:spaceapplications:yamcs:*:*:*:*:*:*:*:*
Maven org.yamcs:yamcs< 5.8.7osvUSpkg:maven/org.yamcs/yamcs

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-w4m2-qmh3-2g8fYamcs Path Traversal vulnerability2023-10-19ghsa · osvUS
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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2023-10-19modified 2026-06-17

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Related entries.

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+12484 more

references (7)

External citations — patches, advisories, analysis.

scry

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