How severe is CVE-2011-0549?

CVE-2011-0549 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-0549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0549?

CVE-2011-0549 primarily affects Symantec Web Gateway. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0549?

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

When was CVE-2011-0549 published?

CVE-2011-0549 was published on 2011-07-11 and last updated on 2026-06-16.

CVE-2011-0549

CVE-2011-0549 is a high-severity vulnerability in Symantec Web Gateway with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Symantec Web Gateway
Published: 2011-07-11
Last modified: 2026-06-16

Description

SQL injection vulnerability in forget.php in the management GUI in Symantec Web Gateway 4.5.x allows remote attackers to execute arbitrary SQL commands via the username parameter.

Frequently asked questions

What is CVE-2011-0549?: SQL injection vulnerability in forget.php in the management GUI in Symantec Web Gateway 4.5.x allows remote attackers to execute arbitrary SQL commands via the username parameter.
How severe is CVE-2011-0549?: CVE-2011-0549 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-0549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0549?: CVE-2011-0549 primarily affects Symantec Web Gateway. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-0549 published?: CVE-2011-0549 was published on 2011-07-11 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:a:symantec:web_gateway:4.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.0.326:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.1.34:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.1.44:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.2.37:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.2.65:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.2.72:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.3.38:*:*:*:*:*:*:*
cpe:2.3:a:symantec:web_gateway:4.5.4.9:*:*:*:*:*:*:*

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