RCE in KDE Kmail
CVE-2021-38373
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (42.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- KDE Kmail — versions 19.12.3
Weakness classification (CWE)
References
- nostarttls.secvuln.info (Third Party Advisory)
- bugs.kde.org/show_bug.cgi (Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-38373?
- CVE-2021-38373 is a medium-severity vulnerability in KDE Kmail, classified under Command Injection. CVSS score: 5.3/10. Published 2021-08-10.
- How severe is CVE-2021-38373?
- Medium severity. CVSS v3 base score is 5.3 out of 10.