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Fencer Vulns
high 7.5

CVE-2023-40735 json

Butterfly Button Project - Sensitive Information Disclosure

published 2023-08-21 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-45289

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Cavo – Connecting for a Safer World BUTTERFLY BUTTON (Architecture flaw) allows loss of plausible deniability and confidentiality.This issue affects BUTTERFLY BUTTON: As of 2023-08-21.

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Cavo – Connecting for a Safer World BUTTERFLY BUTTON

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

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.