// For flags

CVE-2017-17689

Debian Security Advisory 4244-1

Severity Score

5.9
*CVSS v3

Exploit Likelihood

< 1%
*EPSS

Affected Versions

21
*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

La especificación S/MIME permite un ataque malleability-gadget Cipher Block Chaining (CBC) que puede conducir indirectamente a la exfiltración en texto plano. Esto también se conoce como EFAIL.

Multiple security issues have been found in Thunderbird, which may lead to the execution of arbitrary code, denial of service or attacks on encrypted emails.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2017-12-15 CVE Reserved
  • 2018-05-16 CVE Published
  • 2024-08-05 CVE Updated
  • 2024-08-05 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
References (6)
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions (21)