VULNERABILITY INTELLIGENCE

CVE-2017-17848

CVSS score7.5 HIGH
EPSS probability1.84%
CISA KEVNot currently listed
Published2017-12-27
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

An issue was discovered in Enigmail before 1.9.9. In a variant of CVE-2017-17847, signature spoofing is possible for multipart/related messages because a signed message part can be referenced with a cid: URI but not actually displayed. In other words, the entire containing message appears to be signed, but the recipient does not see any of the signed text.

Weakness classification

  • CWE-347: Improper Verification of Cryptographic Signature

Primary references