How severe is CVE-2011-0770?

CVE-2011-0770 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-0770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0770?

CVE-2011-0770 primarily affects Hp Windows Event Log Smartconnector. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-0770 published?

CVE-2011-0770 was published on 2011-07-19 and last updated on 2026-06-16.

CVE-2011-0770

CVE-2011-0770 is a medium-severity vulnerability in Hp Windows Event Log Smartconnector with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Hp Windows Event Log Smartconnector
Published: 2011-07-19
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Windows Event Log SmartConnector in HP ArcSight Connector Appliance before 6.1 allows remote attackers to inject arbitrary web script or HTML via the Windows XP variable in a file.

Frequently asked questions

What is CVE-2011-0770?: Cross-site scripting (XSS) vulnerability in Windows Event Log SmartConnector in HP ArcSight Connector Appliance before 6.1 allows remote attackers to inject arbitrary web script or HTML via the Windows XP variable in a file.
How severe is CVE-2011-0770?: CVE-2011-0770 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-0770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0770?: CVE-2011-0770 primarily affects Hp Windows Event Log Smartconnector. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0770 published?: CVE-2011-0770 was published on 2011-07-19 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:hp:windows_event_log_smartconnector:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c1000_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c1300_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c3200_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c3400_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c5200_appliance:*:*:*:*:*:*:*:*
cpe:2.3:h:hp:arcsight_c5400_appliance:*:*:*:*:*:*:*:*

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