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.

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)

EPSS: 0.005 (41.6th percentile) — read the EPSS interpretation.

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.

Affected products

Kde Kmail — versions 19.12.3
N/a — versions n/a

Weakness classification (CWE)

CWE-77 — Command Injection
CWE-319 — Cleartext Transmission of Sensitive Information

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Mailing List, x_refsource_MISC, 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.