Vulnerability Details : CVE-2021-32066

Potential exploit
An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."
Published 2021-08-01 19:15:08
Updated 2024-01-24 05:15:10
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2021-32066

Threat overview for CVE-2021-32066

Top countries where our scanners detected CVE-2021-32066
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-32066 4,511
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-32066!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-32066

EPSS FAQ
0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32066

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
 NIST
7.4
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
2.2
5.2
 NIST

CWE ids for CVE-2021-32066

References for CVE-2021-32066

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