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Fencer Vulns
medium 6.5

CVE-2020-11879 json

An issue was discovered in GNOME Evolution before 3.35.91.

published 2020-04-17 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4219

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

An issue was discovered in GNOME Evolution before 3.35.91. By using the proprietary (non-RFC6068) "mailto?attach=..." parameter, a website (or other source of mailto links) can make Evolution attach local files or directories to a composed email message without showing a warning to the user, as demonstrated by an attach=. value.

Patch / fix

  • gnome evolution 3.35.91
  • evolution Debian 14, Debian 13, Debian 12 3.36.0-1

debian advisories DEBIAN-CVE-2020-11879

  • evolution SLE Workstation Extension 12 SP5, SLE Software Development Kit 12 SP5 3.22.6-19.14.1

suse advisories SUSE-SU-2023:3375-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-11879 updated cvss 6.5

evolution: attaching local filed/directories to composed email can lead to unintended information disclosure

  • Red Hat Enterprise Linux 6 evolution, evolution-pst, evolution-help, evolution-perl, evolution-conduits, evolution-spamassassin
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 evolution, evolution-pst, evolution-help, evolution-tests, evolution-langpacks, evolution-bogofilter, +1 more Red Hat Enterprise Linux 8 evolution, evolution-pst, evolution-help, evolution-langpacks, evolution-bogofilter, evolution-spamassassin
    affected: workaround, no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.76% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.