CVE-2012-4603

Name: CVE-2012-4603
Creator: NVD / NIST
Published: 2020-01-10T21:15:11.67+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 6.94%

Last modified Jun 16, 2026

CVE-2012-4603 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for Windows 3.2 and earlier could allow remote attackers to execute arbitrary code by convincing a target to open a specially crafted file from an SMB or WebDAV fileserver.. EPSS estimates a 6.94% chance of exploitation in the next 30 days.

Description

Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for Windows 3.2 and earlier could allow remote attackers to execute arbitrary code by convincing a target to open a specially crafted file from an SMB or WebDAV fileserver.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

6.94%

93.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Citrix	Receiver	<= 3.2
Citrix	Xenapp Online	<= 12.1

References

http://www.securityfocus.com/bid/55518Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1027521Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1027522Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/78433Third Party Advisory, VDB Entry
http://www.securityfocus.com/bid/55518Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1027521Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1027522Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/78433Third Party Advisory, VDB Entry

Timeline

Published: Jan 10, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-4603?

How severe is CVE-2012-4603?

CVE-2012-4603 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 6.94% probability of exploitation in the next 30 days.

How do I fix CVE-2012-4603?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-4603?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST