CVE-2026-20284
CVE-2026-20284: 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 severityCritical9.1
Critical [CVE-2026-20282 +2] Cisco Identity Services Engine Authenticated Remote Code Execution and API Vulnerabilities
cisco-sa-ise-mult-vul-ymSsTLCcSource published Source updated
This bulletin covers 3 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Multiple vulnerabilities in Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct SQL injections, modify data, or execute arbitrary commands on the underlying operating system on an affected device. For more information about these vulnerabilities, see the Details section of this advisory. Note: For CVE-2026-20282 and CVE-2026-20283, Cisco has assigned a Security Impact Rating (SIR) of High rather than Medium as the scores indicate. The reason is that it is easy to get to root from the achieved privilege level. Cisco has released software updates that address these vulnerabilities. There are workarounds that address one of these vulnerabilities. This advisory is part of a group of advisories. For a complete list of the advisories and links to them…
- Affected products in this advisory
- Identity Services Engine Software
- Source-reported affected versions
- Scope: CVE-2026-20284: This vulnerability affects Cisco ISE if the SXP service is enabled and at least one SXP connection is configured.
- 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
- CVE-2026-20282 and CVE-2026-20284: There are no workarounds that address these vulnerabilities.
- CVE-2026-20283: There is a workaround that addresses this vulnerability. The vulnerability is present only when an IPsec VTI tunnel is created using the API. However, using the Cisco ISE web interface to create an IPsec VTI tunnel does not allow the vulnerability to be configured.
- If a vulnerable configuration is present, do the following:
- Return to Administration > System > Settings > Protocols > IPsec > Native IPsec.
3 more entries in the full advisory.
- Advisory severityUnrated
Advisory [CVE-2026-20130 +23] Cisco Advance Notification for Publication of September 16, 2026, Security Advisories
cisco-sa-notice-jfxK98ZPSource published Source updated
This bulletin covers 24 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
On September 16, 2026, the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the Foundation: A Predictable, Customer-Focused Response to AI-Accelerated Vulnerability Discovery. Cisco Identity Services Engine Title CVE ID SIR Base Score Critical 10.0 9.9 9.1 High 8.6 7.5
- 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
- To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories.
Android app · Google Play
Monitor future Cisco CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.