How severe is CVE-2011-1524?

CVE-2011-1524 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-1524 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1524?

CVE-2011-1524 primarily affects Symantec Liveupdate Administrator. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1524?

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

When was CVE-2011-1524 published?

CVE-2011-1524 was published on 2011-03-28 and last updated on 2026-06-16.

CVE-2011-1524

CVE-2011-1524 is a medium-severity vulnerability in Symantec Liveupdate Administrator 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% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Symantec Liveupdate Administrator
Published: 2011-03-28
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the management login GUI page in Symantec LiveUpdate Administrator (LUA) before 2.3 allows remote attackers to inject arbitrary web script or HTML via the username field, as demonstrated by injecting an IFRAME element into the event log, a different vulnerability than CVE-2011-0545.

Frequently asked questions

What is CVE-2011-1524?: Cross-site scripting (XSS) vulnerability in the management login GUI page in Symantec LiveUpdate Administrator (LUA) before 2.3 allows remote attackers to inject arbitrary web script or HTML via the username field, as demonstrated by injecting an IFRAME element into the event log, a different vulnerability than CVE-2011-0545.
How severe is CVE-2011-1524?: CVE-2011-1524 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-1524 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1524?: CVE-2011-1524 primarily affects Symantec Liveupdate Administrator. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1524?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1524 published?: CVE-2011-1524 was published on 2011-03-28 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:symantec:liveupdate_administrator:*:*:*:*:*:*:*:*
cpe:2.3:a:symantec:liveupdate_administrator:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:symantec:liveupdate_administrator:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:symantec:liveupdate_administrator:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:symantec:liveupdate_administrator:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:symantec:liveupdate_administrator:2.2.2:*:*:*:*:*:*:*

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