An issue was discovered in GNOME Evolution before 3.35.91.
Priority LOW 34Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.02761 86th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2020-11879
- 2026-10-03 Alias added: GHSA-c29m-85fj-ccfm
References
More GNOME Evolution vulnerabilities
- TI-2021-02347 GNOME Evolution through 3.38.3 produces a "Valid signature" message for an unknown… CVSS 3.1LOW 3.3
- TI-2008-01063 Heap-based buffer overflow in Evolution 2.22.1 allows user-assisted remote attackers to… CVSS 2.0HIGH 9.3
- TI-2005-00087 Integer overflow in camel-lock-helper in Evolution 2.0.2 and earlier allows local users… CVSS 3.1CRITICAL 9.8
- TI-2016-08767 camel/providers/imapx/camel-imapx-server.c in the IMAPx component in GNOME… CVSS 3.0CRITICAL 9.8
- TI-2018-08919 addressbook/backends/ldap/e-book-backend-ldap.c in Evolution-Data-Server in GNOME… CVSS 3.0CRITICAL 9.8
- TI-2008-01062 Buffer overflow in Evolution 2.22.1, when the ITip Formatter plugin is disabled, allows… CVSS 2.0HIGH 7.6
Sources
- CVE-2020-11879 · CVE Program
- CVE-2020-11879 · NVD
- FIRST EPSS
- GHSA-c29m-85fj-ccfm · GitHub Advisory Database · CC BY 4.0
- CVE-2020-11879 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences