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Fencer Vulns
medium 5.3

CVE-2021-27569 json

An issue was discovered in Emote Remote Mouse through 4.0.0.0.

published 2021-05-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-14319

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 50%
public exploits
0
none known

Summary

An issue was discovered in Emote Remote Mouse through 4.0.0.0. Attackers can maximize or minimize the window of a running process by sending the process name in a crafted packet. This information is sent in cleartext and is not protected by any authentication logic.

Exploit prediction

0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • axelp.io https://axelp.io/MouseTrap referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality
  • CWE-319 Cleartext Transmission of Sensitive Information

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.