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5.3
CVE-2016-1378: Cisco IOS on Catalyst switches can leak version details
CVE-2016-1378 · published 10 years ago
Summary
Catalyst switches running Cisco IOS versions earlier than 15.2(2)E1 may reveal their software version when queried on a specific network port. Knowing the exact version can help attackers plan further attacks. Upgrade the IOS to the latest release or apply the vendor’s recommended patch to stop the information leak.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| cisco | ios |
15.1\(1\)sg 15.1\(1\)sg1 15.1\(1\)sg2 15.1\(1\)sy 15.1\(1\)sy1 15.1\(1\)sy2 15.1\(1\)sy3 15.1\(1\)sy4 15.1\(1\)sy5 15.1\(1\)sy6 15.1\(2\)sg 15.1\(2\)sg1 16 more version ranges
cpe:2.3:o:cisco:ios:15.1\(1\)sg:*:*:*:*:*:*:* |
Original advisory text
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) p...
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.
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-200Information Exposure
Timeline
Published14 Apr 2016
Updated31 Oct 2026
First seen29 Sep 2026
Sources
CVE-2016-1378 · NVD
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