CVE-2018-12242

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-09-19 · updated 2026-06-17
Weakness: CWE-287

Description

The Symantec Messaging Gateway product prior to 10.6.6 may be susceptible to an authentication bypass exploit, which is a type of issue that can allow attackers to potentially circumvent security mechanisms currently in place and gain access to the system or network.

Affected products

Symantec Messaging Gateway: before 10.6.6 — fixed in 10.6.6

How to fix

Upgrade to a fixed version: Symantec Messaging Gateway 10.6.6. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/105329
https://support.symantec.com/en_US/article.SYMSA1461.html
http://www.securityfocus.com/bid/105329
https://support.symantec.com/en_US/article.SYMSA1461.html

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