What is CVE-2016-1378?

CVE-2016-1378 is a medium-severity vulnerability in Cisco iOS, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-04-14.

How severe is CVE-2016-1378?

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

Information disclosure in Cisco iOS

CVE-2016-1378

Cisco IOS before 15.2(2)E1 on Catalyst switches allows remote attackers to obtain potentially sensitive software-version information via a request to the Network Mobility Services Protocol (NMSP) port, aka Bug ID CSCum62591.

Vulnerability class: Information Disclosure

Published 2016-04-14 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.015 (72.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Cisco iOS — versions 15.1\(1\)sy5, 15.1(2)sy2, 15.1\(2\)sy2

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160413… (vendor-advisory, Vendor Advisory)
www.securitytracker.com/id/1035566 (vdb-entry)

Frequently asked questions

What is CVE-2016-1378?: CVE-2016-1378 is a medium-severity vulnerability in Cisco iOS, classified under Information Disclosure. CVSS score: 5.3/10. Published 2016-04-14.
How severe is CVE-2016-1378?: Medium severity. CVSS v3 base score is 5.3 out of 10.