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CVE-2002-1554

18
FAUCET Score

CVE-2002-1554 describes a critical vulnerability in Cisco ONS15454 and ONS15327 devices running ONS software prior to version 3.4, where usernames and passwords are stored in cleartext within the image database. This allows an attacker with local access to the device or its backups to easily retrieve credentials and potentially gain unauthorized privileges. The vulnerability has a CVSS score of 4.6, indicating a low attack complexity but a high potential for confidentiality, integrity, and availability impact once local access is achieved. 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

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 45th percentile among its peer group of 3,049 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/10506.php
PatchVendor Advisory
securityfocus.com / bid/6078
PatchVendor Advisory