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Case File

CVE-2017-17688

MEDIUM · CVSS 5.9 EPSS 5.50%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2018-05-16 · Last synced 2026-08-04

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CVE
CVE-2017-17688
Severity
MEDIUM
CVSS
5.9
EPSS
5.50%

Original NVD Description

The OpenPGP specification allows a Cipher Feedback Mode (CFB) malleability-gadget attack that can indirectly lead to plaintext exfiltration, aka EFAIL. NOTE: third parties report that this is a problem in applications that mishandle the Modification Detection Code (MDC) feature or accept an obsolete packet type, not a problem in the OpenPGP specification