How severe is CVE-2012-4340?

CVE-2012-4340 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-4340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4340?

CVE-2012-4340 primarily affects Sybase Easerver. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4340?

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

When was CVE-2012-4340 published?

CVE-2012-4340 was published on 2012-08-15 and last updated on 2026-06-16.

CVE-2012-4340

CVE-2012-4340 is a medium-severity vulnerability in Sybase Easerver 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: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sybase Easerver
Published: 2012-08-15
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in Sybase EAServer before 6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2012-4340?: Cross-site scripting (XSS) vulnerability in Sybase EAServer before 6.1 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2012-4340?: CVE-2012-4340 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-4340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4340?: CVE-2012-4340 primarily affects Sybase Easerver. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4340 published?: CVE-2012-4340 was published on 2012-08-15 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:sybase:easerver:*:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:4.0:*:*:*:*:*:*:*
cpe:2.3:a:sybase:easerver:4.2.5:*:*:*:*:*:*:*
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:6.0.1:*:*:*:*:*:*:*

More vulnerabilities in Sybase Easerver

CVE-2011-0496 — Critical (CVSS 10.0): Unspecified vulnerability in Sybase EAServer 5.x and 6.x before 6.3 ESD#2, as used in Appeon, Replication Server…
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…
CVE-2011-2474 — Medium (CVSS 5.0): Directory traversal vulnerability in the HTTP Server in Sybase EAServer 6.3.1 Developer Edition allows remote attackers…
CVE-2002-1861 — Medium (CVSS 5.0): Sybase Enterprise Application Server 4.0, when running on Windows, allows remote attackers to retrieve files in the…
CVE-2005-2297 — Medium (CVSS 4.6): Stack-based buffer overflow in TreeAction.do in Sybase EAServer 4.2.5 through 5.2 allows remote authenticated users to…
CVE-2006-1829 — Medium (CVSS 4.0): EAServer Manager in Sybase EAServer 5.2 and 5.3 allows remote authenticated users, possibly guests, to obtain password…

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