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CVE-2002-1555

19
FAUCET Score

CVE-2002-1555 describes a vulnerability in Cisco ONS15454 and ONS15327 devices running ONS software versions prior to 3.4, where a hardcoded, unchangeable "public" SNMP community string allows remote attackers to access sensitive information. This vulnerability has a CVSS score of 5.0, indicating a medium severity, as it can be exploited remotely with low complexity and no authentication to compromise confidentiality. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:cisco:optical_networking_systems_software:3.0:*:*:*:*:*:*:*
3.1.0CPE matchmatch criteria
cpe:2.3:a:cisco:optical_networking_systems_software:3.1.0:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:cisco:optical_networking_systems_software:3.2:*:*:*:*:*:*:*
3.2.0CPE matchmatch criteria
cpe:2.3:a:cisco:optical_networking_systems_software:3.2.0:*:*:*:*:*:*:*
3.3.0CPE matchmatch criteria
cpe:2.3:a:cisco:optical_networking_systems_software:3.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.64%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 59th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisco.com / warp/public/707/ons-multiple-vuln-pub.shtml
PatchVendor Advisory
iss.net / security_center/static/10507.php
PatchVendor Advisory
securityfocus.com / bid/6081
PatchVendor Advisory