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CVE-2011-0496

29
FAUCET Score

CVE-2011-0496 describes an unspecified design vulnerability in Sybase EAServer 5.x and 6.x (before 6.3 ESD#2), also impacting Appeon, Replication Server Messaging Edition, and WorkSpace. This critical vulnerability, with a CVSS score of 10.0, allows unauthenticated remote attackers to install arbitrary web services and execute arbitrary code. Despite its maximum severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5CPE matchmatch criteria
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.5:*:*:*:*:*:*:*
2.6CPE matchmatch criteria
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.6:*:*:*:*:*:*:*
2.7CPE matchmatch criteria
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.7:*:*:*:*:*:*:*
2.8CPE matchmatch criteria
cpe:2.3:a:sybase:appeon_for_powerbuilder:2.8:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:sybase:appeon_for_powerbuilder:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.55%
Probability of exploitation in next 30 days
EPSS Percentile
90.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0455 is in the 83rd percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 70428
secunia.com / advisories/42904
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/64697
securityfocus.com / bid/45809
sybase.com / detail
Vendor Advisory
vupen.com / english/advisories/2011/0125
Vendor Advisory