CVE-2020-11880
mediumpriority · track · 26OT risk · elevatedEPSS 0.009 · 61 %ileDEEUUSEPSS · scored 2026-10-28
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1951Kmail: Schwachstelle ermöglicht Offenlegung von InformationenDeutsch2020-04-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Kmail ausnutzen, um Informationen offenzulegen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cgit.kde.org/kmail.git/commit/?id=2a348eccd352260f192d9b449492071bbf2b34b1cnnvd
- https://cgit.kde.org/kmail.git/tag/?h=v19.12.3cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2020-11880cnnvd
- https://vigilance.fr/vulnerability/KDE-KMail-file-reading-via-Attach-Parameter-48116cnnvd
- https://cgit.kde.org/kmail.git/commit/?id=2a348eccd352260f192d9b449492071bbf2b34b1enisa_euvd
- https://cgit.kde.org/kmail.git/tag/?h=v19.12.3enisa_euvd
- https://cgit.kde.org/kmail.git/commit/?id=2a348eccd352260f192d9b449492071bbf2b34b1PatchVendor Advisorynvd
- https://cgit.kde.org/kmail.git/tag/?h=v19.12.3Vendor Advisorynvd
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