CVE-2021-27574
CVSS v3
8.1
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in Emote Remote Mouse through 4.0.0.0. It uses cleartext HTTP to check, and request, updates. Thus, attackers can machine-in-the-middle a victim to download a malicious binary in place of the real update, with no SSL errors or warnings.
Technical details
- Published
- 2021-05-07
Frequently asked questions
What is CVE-2021-27574?
An issue was discovered in Emote Remote Mouse through 4.0.0.0. It uses cleartext HTTP to check, and request, updates. Thus, attackers can machine-in-the-middle a victim to download a malicious binary in place of the real update, with no SSL errors or warnings.
Is CVE-2021-27574 actively exploited?
Active exploitation of CVE-2021-27574 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27574?
CVE-2021-27574 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2021-27574 affecting your environment?
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