What is CVE-2013-0570?

CVE-2013-0570 is a medium-severity vulnerability in IBM Flex System Fabric Cn4093, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-07-13.

How severe is CVE-2013-0570?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in IBM Flex System Fabric Cn4093

CVE-2013-0570

The Fibre Channel over Ethernet (FCoE) feature in IBM System Networking and Blade Network Technology (BNT) switches running IBM Networking Operating System (aka NOS, formerly BLADE Operating System) floods data frames with unknown MAC addresses out on all interfaces on the same VLAN, which might allow remote attackers to obtain sensitive information in opportunistic circumstances by eavesdropping on the broadcast domain. IBM X-Force ID: 83166.

Vulnerability class: Information Disclosure

Published 2018-07-13 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

exchange.xforce.ibmcloud.com/vulnerabilities/83166 (VDB Entry, vdb-entry, Vendor Advisory)
www-304.ibm.com/support/docview.wss (Vendor Advisory)

Frequently asked questions

What is CVE-2013-0570?: CVE-2013-0570 is a medium-severity vulnerability in IBM Flex System Fabric Cn4093, classified under Information Disclosure. CVSS score: 5.3/10. Published 2018-07-13.
How severe is CVE-2013-0570?: Medium severity. CVSS v3 base score is 5.3 out of 10.