How severe is CVE-2012-0299?

CVE-2012-0299 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-0299 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 64% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0299?

CVE-2012-0299 primarily affects Symantec Web Gateway. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0299?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-0299 published?

CVE-2012-0299 was published on 2012-05-21 and last updated on 2026-06-16.

CVE-2012-0299

CVE-2012-0299 is a critical-severity vulnerability in Symantec Web Gateway with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 64% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 64% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Symantec Web Gateway
Published: 2012-05-21
Last modified: 2026-06-16

Description

The file-management scripts in the management GUI in Symantec Web Gateway 5.0.x before 5.0.3 allow remote attackers to upload arbitrary code to a designated pathname, and possibly execute this code, via unspecified vectors.

Frequently asked questions

What is CVE-2012-0299?: The file-management scripts in the management GUI in Symantec Web Gateway 5.0.x before 5.0.3 allow remote attackers to upload arbitrary code to a designated pathname, and possibly execute this code, via unspecified vectors.
How severe is CVE-2012-0299?: CVE-2012-0299 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-0299 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 64% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0299?: CVE-2012-0299 primarily affects Symantec Web Gateway. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0299?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-0299 published?: CVE-2012-0299 was published on 2012-05-21 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:symantec:web_gateway:5.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:5.0.2:*:*:*:*:*:*:*

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