{"apiVersion":"1","notice":"Security Threat Pulse API v1. Free, no key. Facts with sources; verdicts follow the published rules at https://securitythreatpulse.com/methodology. Not advice. Some source data is withheld here until its terms allow re-serving.","generatedAt":"2026-11-11T08:30:37.167Z","products":["ajaxnetprofessional"],"actNowTotal":1,"results":[{"query":"ajaxnetprofessional","matched":1,"actNow":1,"events":[{"id":"kev-2026-08-26-ajax-net-professiona-ajax-net-professional","url":"https://securitythreatpulse.com/events/kev-2026-08-26-ajax-net-professiona-ajax-net-professional","title":"Ajax.NET Professional: attackers can run their own code","verdict":"act_now","verdictReason":"Attacks are confirmed. Ready-made attack tools are public. The exploit prediction score is 83%.","tier":null,"rankScore":null,"rankWhy":null,"rulesVersion":"v2","ladder":{"talk":"none","damage":"none","attempts":"confirmed","exposure":"none","exploited":"confirmed"},"untrackedRungs":["exposure","damage"],"cves":["CVE-2021-23758"],"vendor":"Ajax.NET Professional","product":"Ajax.NET Professional","affectedProducts":[{"vendorKey":"ajaxnetprofessional","productKey":"ajaxnetprofessional","vendor":"Ajax.NET Professional","product":"Ajax.NET Professional","slug":"ajaxnetprofessional/ajaxnetprofessional","kind":"direct","evidence":["kev"]}],"category":{"id":"website","label":"Website or online store","why":"It runs public websites, online stores or the software behind them.","doThis":"Ask whoever runs your website or store to update it."},"summary":"Ajax.NET Professional (AjaxPro) contains a deserialization of untrusted data vulnerability that could allow for remote code execution via arbitrary .NET classes. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.","cvss":8.1,"epss":0.82578,"exploitMaturity":"weaponized","kevListed":true,"kevDateAdded":"2026-08-26","kevDueDate":"2026-09-09","firstSeenAt":"2026-08-26T00:00:00.000Z","updatedAt":"2026-10-24T23:23:22.790Z","newestEvidenceAt":"2026-08-26T00:00:00.000Z"}]}]}