How severe is CVE-2011-0496?

CVE-2011-0496 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-0496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-0496?

CVE-2011-0496 primarily affects Sybase Appeon For Powerbuilder. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-0496?

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-2011-0496 published?

CVE-2011-0496 was published on 2011-01-20 and last updated on 2026-06-16.

CVE-2011-0496

CVE-2011-0496 is a critical-severity vulnerability in Sybase Appeon For Powerbuilder with a CVSS 2.0 base score of 10.0. 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 10.0)
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Sybase Appeon For Powerbuilder
Published: 2011-01-20
Last modified: 2026-06-16

Description

Unspecified vulnerability in Sybase EAServer 5.x and 6.x before 6.3 ESD#2, as used in Appeon, Replication Server Messaging Edition (RSME), and WorkSpace, allows remote attackers to install arbitrary web services and execute arbitrary code, related to a "design vulnerability."

Frequently asked questions

What is CVE-2011-0496?: Unspecified vulnerability in Sybase EAServer 5.x and 6.x before 6.3 ESD#2, as used in Appeon, Replication Server Messaging Edition (RSME), and WorkSpace, allows remote attackers to install arbitrary web services and execute arbitrary code, related to a "design vulnerability."
How severe is CVE-2011-0496?: CVE-2011-0496 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-0496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0496?: CVE-2011-0496 primarily affects Sybase Appeon For Powerbuilder. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0496?: 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-2011-0496 published?: CVE-2011-0496 was published on 2011-01-20 and last updated on 2026-06-16.

References

Affected products (34)

cpe:2.3:a:sybase:appeon_for_powerbuilder:2.5:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.6:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.7:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.8:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:6.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:6.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:6.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:appeon_for_powerbuilder:6.5:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.2.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.3:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:5.5:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.3:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:6.3.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:replication_server:*:*:messaging:*:*:*:*:*
cpe:2.3:a:sybase:replication_server:15.2:*:messaging:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:*:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:1.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:1.5:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:1.6:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:1.7:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.1:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:sybase:sybase_workspace:2.5:*:*:*:*:*:*:*

More vulnerabilities in Sybase Appeon For Powerbuilder

CVE-2011-0497 — High (CVSS 7.8): Directory traversal vulnerability in Sybase EAServer 6.x before 6.3 ESD#2, as used in Appeon, Replication Server…

All CVEs affecting Sybase Appeon For Powerbuilder →