How severe is CVE-2011-0688?

CVE-2011-0688 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-0688 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-2011-0688?

CVE-2011-0688 primarily affects Symantec Antivirus. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0688?

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-2011-0688 published?

CVE-2011-0688 was published on 2011-01-31 and last updated on 2026-06-16.

CVE-2011-0688

CVE-2011-0688 is a critical-severity vulnerability in Symantec Antivirus 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. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Symantec Antivirus
Published: 2011-01-31
Last modified: 2026-06-16

Description

Intel Alert Management System (aka AMS or AMS2), as used in Symantec Antivirus Corporate Edition (SAVCE) 10.x before 10.1 MR10, Symantec System Center (SSC) 10.x, and Symantec Quarantine Server 3.5 and 3.6, allows remote attackers to execute arbitrary commands via crafted messages over TCP, as discovered by Junaid Bohio, a different vulnerability than CVE-2010-0110 and CVE-2010-0111. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2011-0688?: Intel Alert Management System (aka AMS or AMS2), as used in Symantec Antivirus Corporate Edition (SAVCE) 10.x before 10.1 MR10, Symantec System Center (SSC) 10.x, and Symantec Quarantine Server 3.5 and 3.6, allows remote attackers to execute arbitrary commands via crafted messages over TCP, as discovered by Junaid Bohio, a different vulnerability than CVE-2010-0110 and CVE-2010-0111. NOTE: some of these details are obtained from third party information.
How severe is CVE-2011-0688?: CVE-2011-0688 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-0688 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-2011-0688?: CVE-2011-0688 primarily affects Symantec Antivirus. In total, 39 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0688?: 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-2011-0688 published?: CVE-2011-0688 was published on 2011-01-31 and last updated on 2026-06-16.

References

Affected products (39)

cpe:2.3:a:symantec:antivirus:10.0:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0:mr1:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0:mr2:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.1.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.2.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.3:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.4:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.5:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.6:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.7:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.8:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.0.9:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mp1:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr4:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr5:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr6:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1:mr7:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.0.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.4:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.4.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.5:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.5.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.6:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.6.1:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.7:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.8:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.1.9:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:*:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:mr2:corporate:*:*:*:*:*
cpe:2.3:a:symantec:antivirus:10.2:mr3:corporate:*:*:*:*:*
cpe:2.3:a:symantec:system_center:10.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:system_center:10.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:antivirus_central_quarantine_server:3.5:*:*:*:*:*:*:*
cpe:2.3:a:symantec:antivirus_central_quarantine_server:3.6:*:*:*:*:*:*:*

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