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Nagios XI before 5.11.4 stored sensitive credentials and tokens in plaintext in the xi_options database table. According to the provided context, this affected credentials supplied in Inbound/Outbound Transfer settings and exposed NRDP, NSCA, SMTP, and related transfer credentials without encryption or adequate protection at rest. The issue is an insecure storage flaw in which application secrets that should be protected were persisted directly in database records in recoverable plaintext form.
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What an attacker gets, and what they’ve been doing with it.
xi_options table can recover the stored credentials directly without needing to crack hashes or decrypt protected values. Exposure of NRDP, NSCA, SMTP, and transfer credentials can enable unauthorized access to monitoring integrations, message submission infrastructure, and connected systems, and may facilitate lateral movement, impersonation of trusted services, or further compromise of monitored environments depending on credential scope and reuse.If you can’t patch tonight, do this now.
xi_options table; protect database backups and exports; monitor for unauthorized access to stored configuration data; and rotate exposed credentials. Where possible, replace affected credentials with scoped, least-privilege secrets and segment systems that rely on those credentials to reduce downstream impact if disclosure occurs.Patch, then assume compromise.
xi_options table, including NRDP, NSCA, SMTP, and inbound/outbound transfer secrets. Review database backups, dumps, replicas, and logs for residual plaintext exposure, and ensure secrets are stored using appropriate protected secret-handling mechanisms rather than plaintext persistence.No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A sensitive data exposure issue in Nagios XI where NRDP/NSCA tokens and other credentials are stored in plaintext in the database.
A low-severity sensitive data exposure issue in Nagios XI where NRDP and NSCA tokens, passwords, and other credentials are stored in plaintext in the database.
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.