[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fm7lNKLuRjDP1BYVO1c8npc8VeVzBcXxRY4fj97oa3Os":3,"g5a-risk:CVE-2020-6817":110},{"success":4,"data":5,"meta":107},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":33,"epssPercentile":26,"epssTimeSeries":34,"severity":35,"affectedProducts":36,"affectedProductsCount":42,"references":43,"referencesCount":59,"weaknesses":60,"weaknessesCount":42,"isActivelyExploited":69,"cisaInfo":26,"otxData":26,"relatedBlogPosts":70,"seoMetadata":71,"configurations":96,"relatedVendorCves":105,"notableEvents":106},"CVE-2020-6817","What is CVE-2020-6817?","bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with an allowed style attribute are vulnerable to ReDoS. For example, bleach.clean(..., attributes={'a': ['style']}).","bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to bleach.clean with an allowed tag with...","2023-02-16T22:15:10.65","2025-03-19T16:15:14.917",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:N\u002FI:N\u002FA:H",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":26,"CVSSMetricV40":26},[16,29],{"Source":17,"Type":18,"CVSSData":19,"ExploitabilityScore":27,"ImpactScore":28},"nvd@nist.gov","Primary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"3.1","NETWORK","LOW","NONE","UNCHANGED","HIGH",null,3.9,3.6,{"Source":30,"Type":31,"CVSSData":32,"ExploitabilityScore":27,"ImpactScore":28},"134c704f-9b21-4f2e-91b3-4a467353bcc0","Secondary",{"Version":20,"VectorString":13,"AttackVector":21,"AttackComplexity":22,"PrivilegesRequired":23,"UserInteraction":23,"Scope":24,"ConfidentialityImpact":23,"IntegrityImpact":23,"AvailabilityImpact":25,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":25,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},0.00718,[33,33,33,33,33,33,33],"High",[37],{"vendor":38,"product":39,"version":40,"criteria":41,"vulnerable":4},"mozilla","bleach","*","cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*",1,[44,50,55,57],{"url":45,"source":46,"tags":47},"https:\u002F\u002Fbugzilla.mozilla.org\u002Fshow_bug.cgi?id=1623633","Mozilla",[48,49],"Exploit","Issue Tracking",{"url":51,"source":52,"tags":53},"https:\u002F\u002Fgithub.com\u002Fmozilla\u002Fbleach\u002Fsecurity\u002Fadvisories\u002FGHSA-vqhp-cxgc-6wmm","GitHub",[54],"Vendor Advisory",{"url":45,"source":46,"tags":56},[48,49],{"url":51,"source":52,"tags":58},[54],4,[61],{"id":62,"name":63,"description":64,"extendedDescription":65,"status":66,"abstraction":67,"structure":68},"CWE-1333","Inefficient Regular Expression Complexity","The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.","Some regular expression engines have a feature called \"backtracking\". If the token cannot match, the engine \"backtracks\" to a position that may result in a different token that can match.\n                Backtracking becomes a weakness if all of these conditions are met:","Draft","Base","Simple",false,[],{"title":72,"metaDescription":73,"keywords":74,"canonicalUrl":75,"structuredData":76},"What is CVE-2020-6817? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2020-6817, a high severity cyber security vulnerability from 2023. bleach.clean behavior parsing style attributes could result ...","CVE-2020-6817, CVE-2020-6817 vulnerability, CVE-2020-6817 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, mozilla security, bleach vulnerability","\u002Fwhat-is\u002Fcve-2020-6817",{"@context":77,"@type":78,"headline":72,"description":73,"datePublished":10,"dateModified":11,"author":79,"publisher":83,"about":87,"mainEntityOfPage":91,"articleSection":94,"keywords":95},"https:\u002F\u002Fschema.org","TechArticle",{"@type":80,"name":81,"url":82},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":80,"name":81,"url":82,"logo":84},{"@type":85,"url":86},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":88,"name":6,"description":89,"additionalType":90},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":92,"@id":93},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2020-6817","Cybersecurity","CVE-2020-6817, CVE-2020-6817 vulnerability, CVE-2020-6817 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[97],{"Operator":26,"Negate":26,"Nodes":98},[99],{"Operator":100,"Negate":26,"CPEMatch":101},"OR",[102],{"Vulnerable":4,"Criteria":41,"MatchCriteriaID":103,"VersionStartExcluding":26,"VersionStartIncluding":26,"VersionEndExcluding":104,"VersionEndIncluding":26},"21F7320C-9B5F-4B16-896E-2326A8B8B488","3.1.4",[],[],{"lastModified":11,"cacheTime":108,"version":109},1792368431653,"2.0",{"score":111,"band":112,"action":113,"scoredAt":114},49,"Medium","Plan remediation","2026-10-16T06:57:12.111447+00:00"]