CVE-2020-11880

MEDIUM
6.5
CVSS Score
Published: April 17, 2020 at 05:07 PM UTC
Updated: June 17, 2026 at 02:50 AM UTC
1 product affected across 1 vendorKmail

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.9%

Description

An issue was discovered in KDE KMail before 19.12.3. By using the proprietary (non-RFC6068) "mailto?attach=..." parameter, a website (or other source of mailto links) can make KMail attach local files to a composed email message without showing a warning to the user, as demonstrated by an attach=.bash_history value.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 19.12.3
Affected range stops below 19.12.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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