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Status published
Medium
CVE-2017-17689
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget...
Vulnerability Description
The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
Affected Vendor
9folders
View all reports →Affected Software
nine, mail, airmail, emclient, maildroid, mailmate, evolution, gmail, horde imp, notes, kmail, trojita, outlook, thunderbird, postbox, r2mail2, the bat
Vulnerable Versions:
2007, 2010, 2013, 2016
Timeline
Official Publish:
May 16th, 2018
Last Modified:
August 5th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.