CVSS 3.1
7.4 highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NCVE-2020-13163
High (7.4) in em-imap project em-imap. EPSS 0.8% chance of exploitation in the next 30 days.
em-imap 0.5 uses the library eventmachine in an insecure way that allows an attacker to perform a man-in-the-middle attack against users of the library. The hostname in a TLS server certificate is not verified.
Severity
- EPSS
- 0.8% chance of exploitation in the next 30 days; higher than 55% of CVEs (scores of 2026-10-31)
- CWE
- CWE-295
- Published
- Modified
- Record from
- the NVD, synced
Affected
- em-imap_project:em-imap
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-4f68-49qq-h392 | RubyGems | em-imap | <=0.5 | no fix published |