CVE-2026-20177
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability
A vulnerability in the handling of management plane packets by Cisco Industrial Ethernet (IE) 1000 Series Switches could allow an unauthenticated, remote attacker to cause the device manager, SSH, or API to become inaccessible.This vulnerability is due to insufficient protection against management plane flooding attacks. An attacker could exploit this vulnerability by sending a high rate of ICMP, SSH, or HTTP traffic to an affected device. A successful exploit could allow the attacker to cause the CPU of the device to increase, resulting in a denial of service (DoS) condition on the device manager web GUI, SSH, or API. Data traffic through the device is not affected.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco Industrial Ethernet Switches
- Vendor
- Cisco
- Product
- Cisco Industrial Ethernet Switches
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.8.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.8.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.7.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.8.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.2a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 1.9.5 | affected | Unavailable | Unavailable | Unavailable | None listed |