CVE-2015-7750

The L2TP packet processing functionality in Juniper Netscreen and ScreenOS Firewall products with ScreenOS before 6.3.0r13-dnd1, 6.3.0r14 through 6.3.0r18 before 6.3.0r18-dnc1, and 6.3.0r19 allows remote attackers to cause a denial of service via a crafted L2TP packet.

Published: 2015-10-19 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7750 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.99%). EPSS rose +1.53% over the last day, indicating growing attacker interest. 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-2015-7750

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 2026-06-15 0.46% 1.99% +1.53%
2 2025-06-23 0.83% 0.46% -0.37%
3 2025-03-30 — 0.83% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7750

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-7750

Affected software / configurations for CVE-2015-7750

Vendor Product Version Raw CPE
juniper screenos <= 6.3.0 cpe:2.3:o:juniper:screenos:*:r12:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:*:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r14:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r15:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r16:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r17:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r18:*:*:*:*:*:*
juniper screenos 6.3.0 cpe:2.3:o:juniper:screenos:6.3.0:r19:*:*:*:*:*:*

References for CVE-2015-7750

cvelogic Threat Intelligence