How severe is CVE-2012-4347?

CVE-2012-4347 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-4347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 59% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4347?

CVE-2012-4347 primarily affects Symantec Messaging Gateway. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4347?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4347 published?

CVE-2012-4347 was published on 2012-12-05 and last updated on 2026-06-16.

CVE-2012-4347

CVE-2012-4347 is a medium-severity vulnerability in Symantec Messaging Gateway with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 59% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 59% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Symantec Messaging Gateway
Published: 2012-12-05
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2012-4347?: 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.
How severe is CVE-2012-4347?: CVE-2012-4347 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-4347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 59% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4347?: CVE-2012-4347 primarily affects Symantec Messaging Gateway. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4347?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4347 published?: CVE-2012-4347 was published on 2012-12-05 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:symantec:messaging_gateway:9.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:messaging_gateway:9.5.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:messaging_gateway:9.5.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:messaging_gateway:9.5.3:*:*:*:*:*:*:*
cpe:2.3:a:symantec:messaging_gateway:9.5.4:*:*:*:*:*:*:*

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