Which products and versions are affected by CVE-2012-4347?

Affected: Messaging Gateway (Symantec) versions 9.5, 9.5.1, 9.5.2, 9.5.3, 9.5.4. The full list is in the CVE brief.

Is CVE-2012-4347 being exploited in the wild?

It is not listed in any known-exploited vulnerabilities catalog.

Is CVE-2012-4347 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2012-4347?

Public exploit code is available.

Is there a fix for CVE-2012-4347?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2012-4347 be patched?

Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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Vulnerability Intelligence

CVE-2012-4347

MediumPublic exploit

Multiple directory traversal vulnerabilities in the management console in Symantec Messaging Gateway (SMG) 9.5.x allow remote authenticated users to read arbitrary files via a ..

Published Dec 5, 2012 · Updated Apr 28, 2026

Key Facts

Patch immediately

CVE-2012-4347 is a medium-severity vulnerability (CVSS 5.0 v2) affecting Messaging Gateway (Symantec).
It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
EPSS estimates a 59% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v2

5.0

AV:N/AC:L/Au:N/C:P/I:N/A:N

EPSS (30-day exploit likelihood)

59%

Higher than 99.1% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2012-4347 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Multiple directory traversal vulnerabilities in the management console in Symantec Messaging Gateway (SMG) 9.5.x allow remote authenticated users to read arbitrary files via a .. (dot dot) in the (1) logFile parameter in a logs action to brightmail/export or (2) localBackupFileSelection parameter in an APPLIANCE restoreSource action to brightmail/admin/restore/download.do.

Affected Products

5 affected entries in total

Product	Affected versions	Fixed in
Messaging GatewaySymantec	9.5, 9.5.1, 9.5.2, 9.5.3, 9.5.4	n/a

Timeline

Publicly disclosed
Dec 5, 2012
Last updated
Apr 28, 2026

Weakness Type

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References

FAQ

Common Questions.

Multiple directory traversal vulnerabilities in the management console in Symantec Messaging Gateway (SMG) 9.5.x allow remote authenticated users to read arbitrary files via a ..
Affected: Messaging Gateway (Symantec) versions 9.5, 9.5.1, 9.5.2, 9.5.3, 9.5.4. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.

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