Vulnerability · NVD

CVE-2017-17689

MEDIUM 5.9 Published on 2018-05-16

The S/MIME specification allows a Cipher Block Chaining (CBC) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS 4.17% above median percentile 89.9%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Gmail Android com.google.android.gm

Affected — Fixed in — Latest tracked 2026.06.29.943994856.Release undetermined
Gmail iOS com.google.Gmail

Affected — Fixed in — Latest tracked 6.0.260727 undetermined
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected — Fixed in — Latest tracked 153.0.2 undetermined

NVD references 17 distinct products for this CVE — only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗

Vulnerable CPE configurations (4)

Vendor	Product	Platform	Versions	CPE 2.3 URI
apple	mail iOS	iOS	—	cpe:2.3:a:apple:mail:-:::::iphone_os::
google	gmail All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:google:gmail:-:::::::*
google	gmail All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:google:gmail:-:::::::*
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	—	cpe:2.3:a:mozilla:thunderbird:-:::::::*

View on NVD ↗ Advisory · efail.de