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Nagios Fusion versions prior to R2.1 contain an authentication and session management flaw in which enabling two-factor authentication does not trigger re-authentication or session rotation for an already established session. Because existing authenticated sessions remain valid after a user enables 2FA, an attacker who has previously obtained a valid session can continue to access the account without being forced through the newly enabled second factor. This weakness affects session lifecycle handling associated with authentication state changes and can allow continued unauthorized access even after the account owner attempts to strengthen account security by enabling 2FA.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
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.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.