CVE-2013-4673

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.

Published: 2013-08-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-4673 is rated Moderate Risk (56.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.31%). Core evidence: EPSS rose +2.48% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-4673

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-03 0.83% 3.31% +2.48%
2 2025-03-30 1.04% 0.83% -0.21%
3 2025-03-29 1.04%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4673

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:A/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
6.5 6.4 [email protected]

Weakness enumeration for CVE-2013-4673

Affected software / configurations for CVE-2013-4673

Vendor Product Version Raw CPE
symantec web_gateway <= 5.1 cpe:2.3:a:symantec:web_gateway:*:*:*:*:*:*:*:*
symantec web_gateway 5.0 cpe:2.3:a:symantec:web_gateway:5.0:*:*:*:*:*:*:*
symantec web_gateway 5.0.1 cpe:2.3:a:symantec:web_gateway:5.0.1:*:*:*:*:*:*:*
symantec web_gateway 5.0.2 cpe:2.3:a:symantec:web_gateway:5.0.2:*:*:*:*:*:*:*
symantec web_gateway 5.0.3 cpe:2.3:a:symantec:web_gateway:5.0.3:*:*:*:*:*:*:*
symantec web_gateway 5.0.3.18 cpe:2.3:a:symantec:web_gateway:5.0.3.18:*:*:*:*:*:*:*
symantec web_gateway_appliance_8450 cpe:2.3:h:symantec:web_gateway_appliance_8450:-:*:*:*:*:*:*:*
symantec web_gateway_appliance_8490 cpe:2.3:h:symantec:web_gateway_appliance_8490:-:*:*:*:*:*:*:*

References for CVE-2013-4673

cvelogic Threat Intelligence