In KDE KMail 19.12.3 (aka 5.13.3), the SMTP STARTTLS option is not honored (and cleartext messages are sent) unless "Server requires authentication" is checked.
Product
debian/ksmtp vulnerabilities
2 published CVES affecting debian/ksmtp, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 2
- Critical
- 0
- High
- 0
- Medium
- 2
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest debian/ksmtp CVEs
Newest publication first
-
MediumCVSS 5.3 EPSS 0.53%
-
MediumCVSS 6.5 EPSS 0.65%
KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.