CVE-2002-1555

Cisco ONS15454 and ONS15327 running ONS before 3.4 uses a "public" SNMP community string that cannot be changed, which allows remote attackers to obtain sensitive information.

Published: 2003-03-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-1555 is rated Moderate Risk (46.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.64%). 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-2002-1555

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 1.17% 1.64% +0.47%
2 2026-01-28 0.72% 1.17% +0.46%
3 2025-03-30 0.72%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-1555

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:P/I:N/A:N 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:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-1555

Affected software / configurations for CVE-2002-1555

Vendor Product Version Raw CPE
cisco optical_networking_systems_software 3.0 cpe:2.3:a:cisco:optical_networking_systems_software:3.0:*:*:*:*:*:*:*
cisco optical_networking_systems_software 3.1.0 cpe:2.3:a:cisco:optical_networking_systems_software:3.1.0:*:*:*:*:*:*:*
cisco optical_networking_systems_software 3.2 cpe:2.3:a:cisco:optical_networking_systems_software:3.2:*:*:*:*:*:*:*
cisco optical_networking_systems_software 3.2.0 cpe:2.3:a:cisco:optical_networking_systems_software:3.2.0:*:*:*:*:*:*:*
cisco optical_networking_systems_software 3.3.0 cpe:2.3:a:cisco:optical_networking_systems_software:3.3.0:*:*:*:*:*:*:*

References for CVE-2002-1555

cvelogic Threat Intelligence