What is CVE-2018-12242?

CVE-2018-12242 is a critical-severity vulnerability in Symantec Messaging_gateway, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-09-19.

How severe is CVE-2018-12242?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Symantec Messaging_gateway

CVE-2018-12242

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 acce…

Vulnerability class: Broken Authentication

EPSS: 0.030 (85.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Symantec Messaging_gateway
Symantec Corporation Messaging Gateway — versions Prior to 10.6.6

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

secure@symantec.com (x_refsource_CONFIRM, Vendor Advisory)
secure@symantec.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-12242?: CVE-2018-12242 is a critical-severity vulnerability in Symantec Messaging_gateway, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-09-19.
How severe is CVE-2018-12242?: Critical severity. CVSS v3 base score is 9.8 out of 10.