How severe is CVE-2006-3977?

CVE-2006-3977 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2006-3977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-3977?

CVE-2006-3977 primarily affects Broadcom Etrust Antivirus Webscan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-3977?

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-2006-3977 published?

CVE-2006-3977 was published on 2006-08-04 and last updated on 2026-06-16.

CVE-2006-3977

CVE-2006-3977 is a critical-severity vulnerability in Broadcom Etrust Antivirus Webscan with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Etrust Antivirus Webscan
Published: 2006-08-04
Last modified: 2026-06-16

Description

Unspecified vulnerability in CA eTrust Antivirus WebScan before 1.1.0.1048 has unknown impact and remote attackers related to "improper processing of outdated WebScan components."

Frequently asked questions

What is CVE-2006-3977?: Unspecified vulnerability in CA eTrust Antivirus WebScan before 1.1.0.1048 has unknown impact and remote attackers related to "improper processing of outdated WebScan components."
How severe is CVE-2006-3977?: CVE-2006-3977 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2006-3977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-3977?: CVE-2006-3977 primarily affects Broadcom Etrust Antivirus Webscan. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-3977?: 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-2006-3977 published?: CVE-2006-3977 was published on 2006-08-04 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:broadcom:etrust_antivirus_webscan:1.1.0.1045:*:*:*:*:*:*:*
cpe:2.3:a:broadcom:etrust_antivirus_webscan:1.1.0.1047:*:*:*:*:*:*:*

More vulnerabilities in Broadcom Etrust Antivirus Webscan

CVE-2006-3976 — Critical (CVSS 9.3): Unspecified vulnerability in CA eTrust Antivirus WebScan before 1.1.0.1048 allows remote attackers to install arbitrary…
CVE-2006-3975 — High (CVSS 7.5): Unspecified vulnerability in CA eTrust Antivirus WebScan allows remote attackers to execute arbitrary code due to…

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