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CVE-2026-20300 is an SQL injection vulnerability in Cisco Identity Services Engine (ISE) caused by improper validation of user-supplied input. A remote attacker with at least low-privileged administrative credentials can submit a crafted request to an affected device and read or modify data in its underlying database.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
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.
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Cisco Identity Services Engine vulnerability referenced by the Cisco SQL-injection advisory. The provided content does not state its distinct technical impact or exploitation characteristics.
An authenticated remote SQL injection vulnerability in Cisco Identity Services Engine (ISE), caused by improper validation of user-supplied input. A low-privileged administrative user can send a crafted request to read or modify data in the underlying 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.