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CVE-2026-20317 groups multiple improper authentication vulnerabilities in Cisco Secure Workload, formerly known as Tetration. The weaknesses include missing authentication, authentication bypass, and reliance on untrusted inputs, potentially allowing attackers to bypass identity verification and access affected instances. Both SaaS and on-premises deployments are affected. Fixed releases are 3.10.9.1 for the 3.10 branch and earlier, and 4.0.4.16 for the 4.0 branch. Specific vulnerable functions and exploitation mechanisms have not been disclosed.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A CVSS 10.0 improper authentication vulnerability in Cisco Secure Workload that may undermine checks establishing whether users, services, or components should be trusted. The article recommends prompt upgrades, particularly where administrative access is broadly reachable.
An improper authentication vulnerability in Cisco Secure Workload affecting versions prior to 4.0.4.16 and 3.10.9.1.
A maximum-severity set of improper authentication vulnerabilities affecting Cisco Secure Workload.
A critical set of improper authentication vulnerabilities spanning missing authentication, authentication bypass, and reliance on untrusted inputs in Cisco Secure Workload.
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.