CVE-2015-0765

Cisco ONS 15454 System Software 10.30 and 10.301 allows remote attackers to cause a denial of service (tNetTask CPU consumption or card reset) via a flood of (1) IP or (2) Ethernet traffic, aka Bug ID CSCus57263.

Published: 2015-06-04 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-0765 is rated Moderate Risk (48.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.99%). Core evidence: EPSS rose +1.53% 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-2015-0765

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 2025-05-21 0.92% 0.46% -0.46%
3 2025-03-30 0.92%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0765

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-2015-0765

Affected software / configurations for CVE-2015-0765

Vendor Product Version Raw CPE
cisco ons_15454_system_software 10.30 cpe:2.3:o:cisco:ons_15454_system_software:10.30:*:*:*:*:*:*:*
cisco ons_15454_system_software 10.301 cpe:2.3:o:cisco:ons_15454_system_software:10.301:*:*:*:*:*:*:*

References for CVE-2015-0765

cvelogic Threat Intelligence