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CVE-2026-20098 is a vulnerability in the Certificate Management feature of Cisco Meeting Management’s web-based management interface that allows an authenticated remote attacker to upload arbitrary files due to improper input validation. By sending crafted HTTP requests, an attacker with valid credentials (at least the “video operator” role) can upload malicious files that may overwrite system files subsequently processed by the root account, resulting in arbitrary command execution and privilege escalation to root. Affected versions are Cisco Meeting Management releases 3.12 and earlier; the issue is reported to exist regardless of configuration and has no workaround per the provided content.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Unknown (listed as a trending CVE affecting Cisco Meeting Management; no technical details provided in the content).
Unknown (listed as a trending CVE affecting Cisco Meeting Management; no technical details provided in the content).
Unknown (listed as a trending CVE affecting Cisco Meeting Management; no technical details provided in the content).
An authenticated arbitrary file upload vulnerability in Cisco Meeting Management’s web UI Certificate Management feature due to improper input validation, enabling command execution as root and full system compromise.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.