No exploitation reported

CVE-2016-1399

No exploitation reported by the sources we read.

Published2016-05-14
WeaknessCWE-399

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The packet-processing microcode in Cisco IOS 15.2(2)EA, 15.2(2)EA1, 15.2(2)EA2, and 15.2(4)EA on Industrial Ethernet 4000 devices and 15.2(2)EB and 15.2(2)EB1 on Industrial Ethernet 5000 devices allows remote attackers to cause a denial of service (packet data corruption) via crafted IPv4 ICMP packets, aka Bug ID CSCuy13431.

Timeline

dates in UTC

2016-05-1401:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-1399?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-1399?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Cisco iosversion to verify

Branch	Affected	Fixed in	Source
15.2	= 15.2\(2\)eb	no fix published	NVD
15.2	= 15.2\(2\)eb1	no fix published	NVD
15.2	= 15.2\(2\)ea2	no fix published	NVD
15.2	= 15.2\(4\)ea	no fix published	NVD
15.2	= 15.2\(2\)ea	no fix published	NVD
15.2	= 15.2\(2\)ea1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-16-175-01 CISA2 known affected
Rockwell Automation Allen-Bradley Stratix 5400 and 5410 Packet Corruption Vulnerability
Rockwell Automation Allen-Bradley Stratix 5400 Industrial Ethernet Switch Firmware: 15.22EA1|15.22EA2 · Rockwell Automation Allen-Bradley Stratix 5410 Industrial Distribution Switch Firmware: 15.22EB

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-16-175-01 · 2 productsThe identified vulnerability was originally reported by Cisco to impact the Cisco Industrial Ethernet 4000 Series and 5000 Series switches. Rockwell Automation determined that the vulnerability also impacts Rockwell Automation’s Allen-Bradley Stratix 5400 Industrial Ethernet Switches and the Allen-…
Mitigation from the vendor CISA ICSA-16-175-01 · 2 productsRockwell Automation’s new firmware version, Version 15.2(4)EA3, for the Allen-Bradley Stratix 5400 Industrial Ethernet Switches (Series A) and the Allen-Bradley Stratix 5410 Industrial Distribution Switches (Series A) can be downloaded from the following location (with a valid account): (http://com…
Mitigation from the vendor CISA ICSA-16-175-01 · 2 productsTo determine if Allen-Bradley Stratix 5400 or Allen-Bradley Stratix 5410 switches are using vulnerable firmware, please refer to Rockwell Automation’s Knowledgebase article, KB866255: Upgrading or Verifying Stratix Firmware, which is available at the following location (with a valid account): (http…

Advisories and patches

tools.cisco.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-399read 2026-10-23
FIRST EPSSEPSS score2.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2016-05-14
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-1399?

Is CVE-2016-1399 actively exploited?

Active exploitation of CVE-2016-1399 has not been confirmed. Its EPSS score was 2.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-1399?

CVE-2016-1399 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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