Vulnerability · Published Aug 10, 2021 · Assigned by mitre
CVE-2021-38373
Medium 5.3
In plain English
A medium-severity security flaw in the ksmtp package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.5%top 55.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ksmtp | 21.12.3-2 | DEBIAN-CVE-2021-38373 |
| Debian:13 | ksmtp | 21.12.3-2 | DEBIAN-CVE-2021-38373 |
| Debian:14 | ksmtp | 21.12.3-2 | DEBIAN-CVE-2021-38373 |
Affected products (as reported)
References
- https://nostarttls.secvuln.info x_refsource_MISC
- https://bugs.kde.org/show_bug.cgi?id=423423 x_refsource_MISC