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Vulnerability record · CVE-2017-17689 · published 16 May 2018

CVE-2017-17689: 9folders nine vulnerability

9folders · Nine

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

5.9 CVSS 3.0 Medium EPSS 4.1% · top 9.5%
5.9CVSS 3.0 base score, v2 4.3
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
17Affected product versions listed by NVD
12References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

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

Affected products

17 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/104165 Third Party AdvisoryVDB Entry
https://efail.de ExploitMitigationThird Party Advisory
https://news.ycombinator.com/item?id=17066419 Issue TrackingThird Party Advisory
https://pastebin.com/gNCc8aYm Third Party Advisory
https://twitter.com/matthew_d_green/status/996371541591019520 Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_22 Third Party Advisory
http://www.securityfocus.com/bid/104165 Third Party AdvisoryVDB Entry
https://efail.de ExploitMitigationThird Party Advisory
https://news.ycombinator.com/item?id=17066419 Issue TrackingThird Party Advisory
https://pastebin.com/gNCc8aYm Third Party Advisory
https://twitter.com/matthew_d_green/status/996371541591019520 Third Party Advisory
https://www.synology.com/support/security/Synology_SA_18_22 Third Party Advisory

Track CVE-2017-17689 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-17689), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.