CVE-2017-9604
CWE-311Published: June 13, 2017· Updated: Jun 17, 2026
Official Description
KDE kmail before 5.5.2 and messagelib before 5.5.2, as distributed in KDE Applications before 17.04.2, do not ensure that a plugin's sign/encrypt action occurs during use of the Send Later feature, which allows remote attackers to obtain sensitive information by sniffing the network.
Technical Analysis
CVE-2017-9604 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-311)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-9604 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts