CVE-2013-6958

Juniper NetScreen Firewall running ScreenOS 5.4, 6.2, or 6.3, when the Ping of Death screen is disabled, allows remote attackers to cause a denial of service via a crafted packet.

Published: 2013-12-13 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-6958 is rated Moderate Risk (53.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.71%). 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-2013-6958

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 2025-05-23 0.85% 0.71% -0.14%
2 2025-03-30 0.63% 0.85% +0.22%
3 2025-03-29 0.63%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6958

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 2.0 HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 6.9 [email protected]

Weakness enumeration for CVE-2013-6958

Affected software / configurations for CVE-2013-6958

Vendor Product Version Raw CPE
juniper screenos 5.4.0 cpe:2.3:o:juniper:screenos:5.4.0:*:*:*:*:*:*:*
juniper screenos 6.2.0 cpe:2.3:o:juniper:screenos:6.2.0:*:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:*:*:*:*:*:*:*
juniper netscreen-5200 cpe:2.3:h:juniper:netscreen-5200:-:*:*:*:*:*:*:*
juniper netscreen-5400 cpe:2.3:h:juniper:netscreen-5400:-:*:*:*:*:*:*:*

References for CVE-2013-6958

cvelogic Threat Intelligence