[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNZsXJ5d4Clf5Xltvg73o4NOhj2jjODvsVw2CgNezhXo":3,"g5a-risk:CVE-2022-21826":228},{"success":4,"data":5,"meta":225},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":30,"epssPercentile":27,"epssTimeSeries":31,"severity":32,"affectedProducts":33,"affectedProductsCount":44,"references":45,"referencesCount":51,"weaknesses":52,"weaknessesCount":51,"isActivelyExploited":61,"cisaInfo":27,"otxData":27,"relatedBlogPosts":62,"seoMetadata":63,"configurations":88,"relatedVendorCves":209,"notableEvents":210},"CVE-2022-21826","What is CVE-2022-21826?","Pulse Secure version 9.115 and below may be susceptible to client-side http request smuggling, When the application receives a POST request, it ignores the request's Content-Length header and leaves the POST body on the TCP\u002FTLS socket. This body ends up prefixing the next HTTP request sent down that connection, this means when someone loads website attacker may be able to make browser issue a POST to the application, enabling XSS.","Pulse Secure version 9.115 and below may be susceptible to client-side http request smuggling, When the application receives a POST request, it ignores the r...","2022-09-30T17:15:12.183","2024-02-27T21:04:17.56",5.4,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:L\u002FUI:R\u002FS:C\u002FC:L\u002FI:L\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":27,"CVSSMetricV2":27,"CVSSMetricV40":27},[16],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":28,"ImpactScore":29},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":22,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":22,"IntegrityImpact":22,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":26,"ExploitCodeMaturity":27,"RemediationLevel":27,"ReportConfidence":27,"TemporalScore":27,"TemporalSeverity":27,"ConfidentialityRequirement":27,"IntegrityRequirement":27,"AvailabilityRequirement":25,"ModifiedAttackVector":27,"ModifiedAttackComplexity":27,"ModifiedPrivilegesRequired":27,"ModifiedUserInteraction":27,"ModifiedScope":27,"ModifiedConfidentialityImpact":27,"ModifiedIntegrityImpact":27,"ModifiedAvailabilityImpact":27,"EnvironmentalScore":27,"EnvironmentalSeverity":27},"3.1","NETWORK","LOW","REQUIRED","CHANGED","NONE","MEDIUM",null,2.3,2.7,0.45229,[30,30,30,30,30,30,30],"Medium",[34,39],{"vendor":35,"product":36,"version":37,"criteria":38,"vulnerable":4},"ivanti","connect_secure","9.1","cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*",{"vendor":40,"product":41,"version":42,"criteria":43,"vulnerable":4},"pulsesecure","pulse_connect_secure","*","cpe:2.3:a:pulsesecure:pulse_connect_secure:*:*:*:*:*:*:*:*",2,[46],{"url":47,"source":48,"tags":49},"https:\u002F\u002Fkb.pulsesecure.net\u002Farticles\u002FPulse_Security_Advisories\u002FClient-Side-Desync-Attack\u002F","Pulsesecure",[50],"Vendor Advisory",1,[53],{"id":54,"name":55,"description":56,"extendedDescription":57,"status":58,"abstraction":59,"structure":60},"CWE-444","Inconsistent Interpretation of HTTP Requests ('HTTP Request\u002FResponse Smuggling')","The product acts as an intermediary HTTP agent\n         (such as a proxy or firewall) in the data flow between two\n         entities such as a client and server, but it does not\n         interpret malformed HTTP requests or responses in ways that\n         are consistent with how the messages will be processed by\n         those entities that are at the ultimate destination.","HTTP requests or responses (\"messages\") can be\n\t   malformed or unexpected in ways that cause web servers or\n\t   clients to interpret the messages in different ways than\n\t   intermediary HTTP agents such as load balancers, reverse\n\t   proxies, web caching proxies, application firewalls,\n\t   etc. For example, an adversary may be able to add duplicate\n\t   or different header fields that a client or server might\n\t   interpret as one set of messages, whereas the intermediary\n\t   might interpret the same sequence of bytes as a different\n\t   set of messages. For example, discrepancies can arise in\n\t   how to handle duplicate headers like two Transfer-encoding\n\t   (TE) or two Content-length (CL), or the malicious HTTP\n\t   message will have different headers for TE and\n\t   CL.\nThe inconsistent parsing and interpretation of messages\n\t   can allow the adversary to \"smuggle\" a message to the\n\t   client\u002Fserver without the intermediary being aware of it.\nThis weakness is usually the result of the usage\n\t   of outdated or incompatible HTTP protocol versions in the\n\t   HTTP agents.","Incomplete","Base","Simple",false,[],{"title":64,"metaDescription":65,"keywords":66,"canonicalUrl":67,"structuredData":68},"What is CVE-2022-21826? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2022-21826, a medium severity cyber security vulnerability from 2022. High exploit probability (45.2%). Pulse Secure version 9....","CVE-2022-21826, CVE-2022-21826 vulnerability, CVE-2022-21826 security, medium severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2022, CVSS score, exploit, patch, remediation, ivanti security, pulsesecure security, connect_secure vulnerability, pulse_connect_secure vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2022-21826",{"@context":69,"@type":70,"headline":64,"description":65,"datePublished":10,"dateModified":11,"author":71,"publisher":75,"about":79,"mainEntityOfPage":83,"articleSection":86,"keywords":87},"https:\u002F\u002Fschema.org","TechArticle",{"@type":72,"name":73,"url":74},"Organization","Precursor 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"eventTime":214,"details":215,"label":216,"color":217},"d6f21486-90c2-4dd2-8669-05d6b25e3bd9","LOW_EPSS_DELTA","2025-10-08T04:05:50.7615+00:00","Daily EPSS score decreased by 0.188 on 2023-12-30","EPSS Score Decreased","green",{"id":219,"eventType":220,"eventTime":221,"details":222,"label":223,"color":224},"2f04eae2-c6a7-408e-811d-52059590cf38","HIGH_EPSS_DELTA","2026-06-16T04:05:28.960406+00:00","Daily EPSS score increased by 0.393 on 2023-12-30","EPSS Score Increased","red",{"lastModified":11,"cacheTime":226,"version":227},1792243692328,"2.0",{"score":229,"band":230,"action":231,"scoredAt":232},38,"Low","Monitor","2026-10-16T06:55:51.808823+00:00"]