CVE-2018-12242

highpriority · track · 40EPSS 0.030 · 87 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.95% (87th) EPSS

CVSS 7.5 · high

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.09criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (2)

Products and version ranges known to be affected.

Symantec Corporation Symantec Messaging Gateway≤ Prior to 10.6.6enisa_euvdEU
symantec messaging gateway< 10.6.6nvdUScpe:2.3:a:symantec:messaging_gateway:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-09-19modified 2026-06-17

related (7,724)

Related entries.

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JFrog Artifactory contains an authentication weakness that, under default configuration, may allow an unauthenticated attacker with network access to obtain administrative privileg…
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JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
CVE-2026-65400US	—OT critical	1.72% (77th)	KEV	2026-08-06
An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, ma…
CVE-2026-16232US	critical9.8OT critical	3.52% (89th)	KEV	2026-07-22
An authentication bypass vulnerability in the Check Point SmartConsole login process allows an unauthenticated remote attacker to obtain an application login token and use it to au…

+7719 more

references (5)

External citations — patches, advisories, analysis.

https://support.symantec.com/en_US/article.SYMSA1461.html cnnvd
http://www.securityfocus.com/bid/105329 enisa_euvd
https://support.symantec.com/en_US/article.SYMSA1461.html enisa_euvd
http://www.securityfocus.com/bid/105329Third Party AdvisoryVDB Entrynvd
https://support.symantec.com/en_US/article.SYMSA1461.htmlVendor Advisorynvd

scry

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