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CVE-2017-9604

26
FAUCET Score

CVE-2017-9604 describes a vulnerability in KDE KMail and MessageLib (before versions 5.5.2 and 17.04.2 respectively) where the "Send Later" feature fails to ensure proper encryption or signing by plugins. This oversight allows remote attackers to intercept sensitive information via network sniffing. Rated 7.5 High on the CVSS scale, this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to significant confidentiality breaches. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.5.1CPE matchmatch criteria
cpe:2.3:a:kde:kmail:*:*:*:*:*:*:*:*
<= 5.5.1CPE matchmatch criteria
cpe:2.3:a:kde:messagelib:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.29%
Probability of exploitation in next 30 days
EPSS Percentile
67.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0129 is in the 47th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kdepim
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kdepim

Vendor Advisories (1)

redhatCVE-2017-9604Low

kmail: Send Later with Delay bypasses OpenPGP

Jun 13, 2017

References

commits.kde.org / kmail/78c5552be2f00a4ac25bd77ca39386522fca70a8
Mailing ListPatchTool Signature
commits.kde.org / messagelib/c54706e990bbd6498e7b1597ec7900bc809e8197
Mailing ListPatchTool Signature