[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fHjCWJLplGdVZlKTsQwMGBHGKe5efJygCXoGX70u4Yzw":3,"g5a-risk:CVE-2021-39935":159},{"success":4,"data":5,"meta":157},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":48,"epssPercentile":26,"epssTimeSeries":49,"severity":50,"affectedProducts":51,"affectedProductsCount":56,"references":57,"referencesCount":72,"weaknesses":73,"weaknessesCount":56,"isActivelyExploited":4,"cisaInfo":82,"otxData":26,"relatedBlogPosts":84,"seoMetadata":85,"configurations":110,"relatedVendorCves":135,"notableEvents":136},"CVE-2021-39935","What is CVE-2021-39935?","An issue has been discovered in GitLab CE\u002FEE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API","An issue has been discovered in GitLab CE\u002FEE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all vers...","2021-12-13T16:15:09.367","2021-12-15T17:14:08.49",7.5,"CVSS:3.1\u002FAV:N\u002FAC:L\u002FPR:N\u002FUI:N\u002FS:U\u002FC:H\u002FI:N\u002FA:N",{"CVSSMetricV31":15,"CVSSMetricV30":26,"CVSSMetricV2":39,"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":25,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":12,"BaseSeverity":25,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":23,"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":37,"ImpactScore":38},"cve@gitlab.com","Secondary",{"Version":20,"VectorString":33,"AttackVector":21,"AttackComplexity":25,"PrivilegesRequired":23,"UserInteraction":23,"Scope":34,"ConfidentialityImpact":25,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":35,"BaseSeverity":36,"ExploitCodeMaturity":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"TemporalSeverity":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":23,"ModifiedAttackVector":26,"ModifiedAttackComplexity":26,"ModifiedPrivilegesRequired":26,"ModifiedUserInteraction":26,"ModifiedScope":26,"ModifiedConfidentialityImpact":26,"ModifiedIntegrityImpact":26,"ModifiedAvailabilityImpact":26,"EnvironmentalScore":26,"EnvironmentalSeverity":26},"CVSS:3.1\u002FAV:N\u002FAC:H\u002FPR:N\u002FUI:N\u002FS:C\u002FC:H\u002FI:N\u002FA:N","CHANGED",6.8,"MEDIUM",2.2,4,[40],{"Source":17,"Type":18,"CVSSData":41,"BaseSeverity":36,"ExploitabilityScore":46,"ImpactScore":47,"ACInsufInfo":26,"ObtainAllPrivilege":26,"ObtainUserPrivilege":26,"ObtainOtherPrivilege":26,"UserInteractionRequired":26},{"Version":42,"VectorString":43,"AccessVector":21,"AccessComplexity":22,"Authentication":23,"ConfidentialityImpact":44,"IntegrityImpact":23,"AvailabilityImpact":23,"BaseScore":45,"BaseSeverity":26,"Exploitability":26,"RemediationLevel":26,"ReportConfidence":26,"TemporalScore":26,"CollateralDamagePotential":26,"TargetDistribution":26,"ConfidentialityRequirement":26,"IntegrityRequirement":26,"AvailabilityRequirement":26,"EnvironmentalScore":26},"2.0","AV:N\u002FAC:L\u002FAu:N\u002FC:P\u002FI:N\u002FA:N","PARTIAL",5,10,2.9,0.3614,[48,48,48,48,48,48,48],"High",[52],{"vendor":53,"product":53,"version":54,"criteria":55,"vulnerable":4},"gitlab","*","cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",1,[58,63,67],{"url":59,"source":60,"tags":61},"https:\u002F\u002Fgitlab.com\u002Fgitlab-org\u002Fcves\u002F-\u002Fblob\u002Fmaster\u002F2021\u002FCVE-2021-39935.json","Gitlab",[62],"Third Party Advisory",{"url":64,"source":60,"tags":65},"https:\u002F\u002Fgitlab.com\u002Fgitlab-org\u002Fgitlab\u002F-\u002Fissues\u002F346187",[66],"Broken Link",{"url":68,"source":69,"tags":70},"https:\u002F\u002Fhackerone.com\u002Freports\u002F1236965","Hackerone",[71,62],"Permissions Required",3,[74],{"id":75,"name":76,"description":77,"extendedDescription":78,"status":79,"abstraction":80,"structure":81},"CWE-918","Server-Side Request Forgery (SSRF)","The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.","By providing URLs to unexpected hosts or ports, attackers can make it appear that the server is sending the request, possibly bypassing access controls such as firewalls that prevent the attackers from accessing the URLs directly. The server can be used as a proxy to conduct port scanning of hosts in internal networks, use other URLs such as that can access documents on the system (using file:\u002F\u002F), or use other protocols such as gopher:\u002F\u002F or tftp:\u002F\u002F, which may provide greater control over the contents of requests.","Incomplete","Base","Simple",{"shortDescription":83,"requiredAction":83,"vulnerabilityName":83,"dateAdded":26},"",[],{"title":86,"metaDescription":87,"keywords":88,"canonicalUrl":89,"structuredData":90},"What is CVE-2021-39935? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2021-39935, a high severity cyber security vulnerability from 2021. High exploit probability (36.1%). An issue has been discove...","CVE-2021-39935, CVE-2021-39935 vulnerability, CVE-2021-39935 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2021, CVSS score, exploit, patch, remediation, gitlab security, gitlab vulnerability, high risk vulnerability, actively exploited, exploit available","\u002Fwhat-is\u002Fcve-2021-39935",{"@context":91,"@type":92,"headline":86,"description":87,"datePublished":10,"dateModified":11,"author":93,"publisher":97,"about":101,"mainEntityOfPage":105,"articleSection":108,"keywords":109},"https:\u002F\u002Fschema.org","TechArticle",{"@type":94,"name":95,"url":96},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":94,"name":95,"url":96,"logo":98},{"@type":99,"url":100},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":102,"name":6,"description":103,"additionalType":104},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":106,"@id":107},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2021-39935","Cybersecurity","CVE-2021-39935, CVE-2021-39935 vulnerability, CVE-2021-39935 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[111],{"Operator":26,"Negate":26,"Nodes":112},[113],{"Operator":114,"Negate":26,"CPEMatch":115},"OR",[116,120,123,127,129,133],{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":117,"VersionStartExcluding":26,"VersionStartIncluding":118,"VersionEndExcluding":119,"VersionEndIncluding":26},"5B03195F-1FF5-433A-9AE5-1ACB532D4315","10.5.0","14.3.6",{"Vulnerable":4,"Criteria":121,"MatchCriteriaID":122,"VersionStartExcluding":26,"VersionStartIncluding":118,"VersionEndExcluding":119,"VersionEndIncluding":26},"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*","74E57AED-C563-4935-86BD-DB5B6495B5B0",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":124,"VersionStartExcluding":26,"VersionStartIncluding":125,"VersionEndExcluding":126,"VersionEndIncluding":26},"1E801B5F-9C94-4CB2-89ED-D071E567132C","14.4.0","14.4.4",{"Vulnerable":4,"Criteria":121,"MatchCriteriaID":128,"VersionStartExcluding":26,"VersionStartIncluding":125,"VersionEndExcluding":126,"VersionEndIncluding":26},"7C38F838-02EA-4E2F-8493-57DD401EF911",{"Vulnerable":4,"Criteria":55,"MatchCriteriaID":130,"VersionStartExcluding":26,"VersionStartIncluding":131,"VersionEndExcluding":132,"VersionEndIncluding":26},"95F59DF7-707C-4C43-8352-8115DAF1C533","14.5.0","14.5.2",{"Vulnerable":4,"Criteria":121,"MatchCriteriaID":134,"VersionStartExcluding":26,"VersionStartIncluding":131,"VersionEndExcluding":132,"VersionEndIncluding":26},"64F26CC0-C99A-4748-963B-944F39E4B647",[],[137,144,150],{"id":138,"eventType":139,"eventTime":140,"details":141,"label":142,"color":143},"c29905ba-4646-47ab-9e58-1a6e1565a2a8","NEW_CISA","2026-04-01T11:42:51.412698+00:00","CVE added to CISA Known Exploited Vulnerabilities","Added to CISA KEV","red",{"id":145,"eventType":146,"eventTime":147,"details":148,"label":149,"color":143},"2ee3f59e-18b7-476c-8d01-fac6bc4608cf","HIGH_EPSS_DELTA","2026-04-01T14:22:07.543812+00:00","Daily EPSS score increased by 0.148 on 2023-12-30","EPSS Score Increased",{"id":151,"eventType":152,"eventTime":153,"details":154,"label":155,"color":156},"9c08a73e-0130-4177-a3ba-b382e923d4a8","LOW_EPSS_DELTA","2026-06-16T04:05:34.941461+00:00","Daily EPSS score decreased by 0.340 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":11,"cacheTime":158,"version":42},1792377211601,{"score":160,"band":50,"action":161,"scoredAt":162},81,"Emergency patch","2026-10-16T06:52:38.54273+00:00"]