CVE-2026-20177
CVE-2026-20177: 2 tracked advisory records across Cisco. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Cisco
2 advisories- Advisory severityMedium5.3
Medium [CVE-2026-20177] Cisco Industrial Ethernet 1000 Series Switches Denial of Service Vulnerability
cisco-sa-ie1k-uxq86LnxSource published Source updated
An unauthenticated remote attacker could exploit a flaw in the handling of management plane packets by Cisco Industrial Ethernet (IE) 1000 Series Switches to cause the device manager, SSH, or API to become inaccessible. The flaw is caused by insufficient protection against management plane flooding attacks. Affected product named by the advisory: Industrial Ethernet Switches.
- Affected products in this advisory
- Industrial Ethernet Switches
- Source-reported affected versions
- Scope: At the time of publication, this vulnerability affected Cisco IE 1000 Series Switches, regardless of device configuration.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
- Workarounds
- There are no workarounds that address this vulnerability.
- Advisory severityUnrated
Advisory [CVE-2026-20030 +14] Cisco Advance Notification for Publication of August 19, 2026, Security Advisories
cisco-sa-notice-LDquvx5dSource published Source updated
This bulletin covers 15 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
On August 19, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the following advisories: Cisco Security Advisory CVE ID Security Impact Rating CVSS Base Score Cisco Crosswork Security Hardening Release: August 2026 Critical 10.0 Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability High 7.5 Cisco Unified Intelligence Center SQL Injection Vulnerability Medium 6.5 Cisco RoomOS Stack Overflow Vulnerability 6.1 Cisco Industrial Ethernet 1000 Series Switches Stored Cross-Site Scripting Vulnerability 5.4 5.3 Cisco Packaged Contact Center Enterprise and Cisco Unified Contact Center Enterprise Server-Side Request Forgery Vulnerability 5.0 To fully remediate the vulnerabilities that were disclosed on August 19, 2026, Cisco strongly recommends that…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- On August 19, 2026, the Cisco Product Security Incident Response Team (PSIRT) will publish advisories to disclose security vulnerability information along with fixed software releases for the following Cisco products: BroadWorks Crosswork Industrial Ethernet 1000 Series Switches Packaged Contact Center Enterprise and Unified Contact Center Enterprise RoomOS Secure Workload Unified Intelligence Center To fully remediate vulnerabilities to be disclosed on August 19, 2026, Cisco strongly recommends that customers upgrade to the fixed software indicated in the advisories.
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