CVE-2026-20098
Authenticated user can upload files, execute commands, and gain root via web UI.
Is CVE-2026-20098 being exploited?
Not confirmed. CVE-2026-20098 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-20098?
CVE-2026-20098 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-20098?
Yes. A fix has been recorded for CVE-2026-20098. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-20098 affect?
CVE-2026-20098 affects Cisco Meeting Management. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-20098?
Monitor activity; restrict mgmt UI; patch when available.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can upload arbitrary files, enabling root-level command execution.
Monitor only
- affectedCMM3.4.0
- affectedCMM3.2.0
- affectedCMM2.9.1
- affectedCMM2.9.0
- affectedCMM3.1.0
- affectedCMM3.5.0
- affectedCMM3.6.0
- affectedCMM3.6.1
- affectedCMM3.7.0
- affectedCMM3.8.0
- affectedCMM3.9.0
- affectedCMM3.10.0
- affectedCMM3.9.1
- affectedCMM3.11.0
- affectedCMM3.12.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.