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Fencer Vulns
medium 6.1

CVE-2023-47311 json

An issue in Yamcs 5.8.6 allows attackers to send aribitrary telelcommands in a Command Stack via Clickjacking.

published 2023-11-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-51438

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

An issue in Yamcs 5.8.6 allows attackers to send aribitrary telelcommands in a Command Stack via Clickjacking.

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • linkedin.com https://www.linkedin.com/pulse/more-xss-clickjacking-yamcs-v586-visionspace-technologies-uvevf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

Weakness
  • CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.