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Vulnerability record · CVE-2013-4673 · published 1 August 2013

CVE-2013-4673: Symantec web gateway improper input validation vulnerability

Symantec · Web Gateway

The management console on the Symantec Web Gateway (SWG) appliance before 5.1.1 does not properly implement RADIUS authentication, which allows remote attackers to execute arbitrary code by leveraging access to the login prompt.

5.8 CVSS 2.0 Medium EPSS 1.3% · top 30.7% CWE-20 · Improper input validation
5.8CVSS 2.0 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
8References
16 Jun 2026Last modified by NVD

Description

The management console on the Symantec Web Gateway (SWG) appliance before 5.1.1 does not properly implement RADIUS authentication, which allows remote attackers to execute arbitrary code by leveraging access to the login prompt.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://osvdb.org/95702
http://www.securityfocus.com/bid/61105
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=& Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/85990
http://osvdb.org/95702
http://www.securityfocus.com/bid/61105
http://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=& Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/85990

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2012-2953Symantec Web Gateway management console OS command injectionThe management console in Symantec Web Gateway 5.0.x before 5.0.3.18 fails to properly sanitize input passed to application scripts, allowing OS comm…EPSS 67%analysed10.0CVE-2012-2976Symantec web gateway os command injection vulnerabilityThe management console in Symantec Web Gateway 5.0.x before 5.0.3.18 allows remote attackers to execute arbitrary shell commands via crafted input to…EPSS 5.4%10.0CVE-2012-0299Symantec Web Gateway GUI file-management scripts allow arbitrary code uploadThe file-management scripts in the management GUI of Symantec Web Gateway 5.0.x before 5.0.3 permit remote attackers to upload arbitrary code to a de…EPSS 64%analysed10.0CVE-2012-0297Symantec Web Gateway management GUI access control flaw enables remote code executionThe management GUI in Symantec Web Gateway 5.0.x before 5.0.3 fails to properly restrict access to application scripts. Remote attackers can inject o…EPSS 73%analysed9.8CVE-2013-5017Symantec web gateway vulnerabilitySNMPConfig.php in the management console in Symantec Web Gateway (SWG) before 5.2.1 allows remote attackers to execute arbitrary commands via unspeci…EPSS 7.0%8.8CVE-2016-5313Symantec web gateway os command injection vulnerabilitySymantec Web Gateway (SWG) before 5.2.5 allows remote authenticated users to execute arbitrary OS commands.EPSS 4.6%8.5CVE-2015-5690Symantec web gateway os command injection vulnerabilityThe management console on Symantec Web Gateway (SWG) appliances with software before 5.2.2 DB 5.0.0.1277 allows remote authenticated users to bypass …EPSS 3.5%8.3CVE-2015-6547Symantec web gateway command injection vulnerabilityThe management console on Symantec Web Gateway (SWG) appliances with software before 5.2.2 DB 5.0.0.1277 allows remote authenticated users to execute…EPSS 4.3%

Source: NIST National Vulnerability Database (record CVE-2013-4673), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.