How severe is CVE-2012-2953?

CVE-2012-2953 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2012-2953 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 67% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2953?

CVE-2012-2953 primarily affects Symantec Web Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2953?

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-2012-2953 published?

CVE-2012-2953 was published on 2012-07-23 and last updated on 2026-06-16.

CVE-2012-2953

CVE-2012-2953 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 67% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 67% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Symantec Web Gateway
Published: 2012-07-23
Last modified: 2026-06-16

Description

The management console in Symantec Web Gateway 5.0.x before 5.0.3.18 allows remote attackers to execute arbitrary commands via crafted input to application scripts.

Frequently asked questions

What is CVE-2012-2953?: The management console in Symantec Web Gateway 5.0.x before 5.0.3.18 allows remote attackers to execute arbitrary commands via crafted input to application scripts.
How severe is CVE-2012-2953?: CVE-2012-2953 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2012-2953 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 67% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2953?: CVE-2012-2953 primarily affects Symantec Web Gateway. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-2953?: 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-2012-2953 published?: CVE-2012-2953 was published on 2012-07-23 and last updated on 2026-06-16.

References

Affected products (4)

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:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:5.0.3:*:*:*:*:*:*:*

More vulnerabilities in Symantec Web Gateway

CVE-2012-2976 — Critical (CVSS 10.0): The management console in Symantec Web Gateway 5.0.x before 5.0.3.18 allows remote attackers to execute arbitrary shell…
CVE-2012-0299 — Critical (CVSS 10.0): The file-management scripts in the management GUI in Symantec Web Gateway 5.0.x before 5.0.3 allow remote attackers to…
CVE-2012-0297 — Critical (CVSS 10.0): The management GUI in Symantec Web Gateway 5.0.x before 5.0.3 does not properly restrict access to application scripts,…
CVE-2013-5017 — Critical (CVSS 9.8): SNMPConfig.php in the management console in Symantec Web Gateway (SWG) before 5.2.1 allows remote attackers to execute…
CVE-2016-5313 — High (CVSS 8.8): Symantec Web Gateway (SWG) before 5.2.5 allows remote authenticated users to execute arbitrary OS commands.
CVE-2015-5690 — High (CVSS 8.5): The management console on Symantec Web Gateway (SWG) appliances with software before 5.2.2 DB 5.0.0.1277 allows remote…

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