[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-AD8_G0bc890Y0guSBbwdp58Aslc4Ms87t3RTRB_eZM":3,"g5a-risk:CVE-2001-0191":150},{"success":4,"data":5,"meta":148},true,{"cveId":6,"title":7,"description":8,"shortDescription":9,"publishedDate":10,"lastModified":11,"cvssScore":12,"cvssVector":13,"cvssMetrics":14,"epssScore":32,"epssPercentile":28,"epssTimeSeries":33,"severity":34,"affectedProducts":35,"affectedProductsCount":46,"references":47,"referencesCount":12,"weaknesses":82,"weaknessesCount":91,"isActivelyExploited":30,"cisaInfo":28,"otxData":28,"relatedBlogPosts":92,"seoMetadata":93,"configurations":118,"relatedVendorCves":132,"notableEvents":133},"CVE-2001-0191","What is CVE-2001-0191?","gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attackers to execute arbitrary commands via a buffer overflow, or brute force authentication by using a short cookie length.","gnuserv before 3.12, as shipped with XEmacs, does not properly check the specified length of an X Windows MIT-MAGIC-COOKIE cookie, which allows remote attack...","2001-05-03T04:00:00","2026-06-16T21:53:51.01",10,"AV:N\u002FAC:L\u002FAu:N\u002FC:C\u002FI:C\u002FA:C",{"CVSSMetricV31":15,"CVSSMetricV30":16,"CVSSMetricV2":17,"CVSSMetricV40":31},[],[],[18],{"Source":19,"Type":20,"CVSSData":21,"BaseSeverity":29,"ExploitabilityScore":12,"ImpactScore":12,"ACInsufInfo":30,"ObtainAllPrivilege":4,"ObtainUserPrivilege":30,"ObtainOtherPrivilege":30,"UserInteractionRequired":30},"nvd@nist.gov","Primary",{"Version":22,"VectorString":13,"AccessVector":23,"AccessComplexity":24,"Authentication":25,"ConfidentialityImpact":26,"IntegrityImpact":26,"AvailabilityImpact":26,"BaseScore":12,"BaseSeverity":27,"Exploitability":28,"RemediationLevel":28,"ReportConfidence":28,"TemporalScore":28,"CollateralDamagePotential":28,"TargetDistribution":28,"ConfidentialityRequirement":28,"IntegrityRequirement":28,"AvailabilityRequirement":28,"EnvironmentalScore":28},"2.0","NETWORK","LOW","NONE","COMPLETE","",null,"HIGH",false,[],0.05496,[32,32,32,32,32,32,32],"Critical",[36,41],{"vendor":37,"product":38,"version":39,"criteria":40,"vulnerable":4},"andynorman","gnuserv","*","cpe:2.3:a:andynorman:gnuserv:*:*:*:*:*:*:*:*",{"vendor":42,"product":43,"version":44,"criteria":45,"vulnerable":30},"gnu","xemacs","-","cpe:2.3:a:gnu:xemacs:-:*:*:*:*:*:*:*",2,[48,55,59,63,66,72,74,76,78,80],{"url":49,"source":50,"tags":51},"http:\u002F\u002Farchives.neohapsis.com\u002Farchives\u002Fbugtraq\u002F2001-02\u002F0030.html","Neohapsis",[52,53,54],"Broken Link","Patch","Vendor Advisory",{"url":56,"source":57,"tags":58},"http:\u002F\u002Fwww.linux-mandrake.com\u002Fen\u002Fsecurity\u002F2001\u002FMDKSA-2001-019.php3","Linux-mandrake",[52,53],{"url":60,"source":61,"tags":62},"http:\u002F\u002Fwww.redhat.com\u002Fsupport\u002Ferrata\u002FRHSA-2001-010.html","Red Hat",[52,53],{"url":64,"source":61,"tags":65},"http:\u002F\u002Fwww.redhat.com\u002Fsupport\u002Ferrata\u002FRHSA-2001-011.html",[52,53],{"url":67,"source":68,"tags":69},"https:\u002F\u002Fexchange.xforce.ibmcloud.com\u002Fvulnerabilities\u002F6056","Ibmcloud",[70,71],"Third Party Advisory","VDB Entry",{"url":49,"source":50,"tags":73},[52,53,54],{"url":56,"source":57,"tags":75},[52,53],{"url":60,"source":61,"tags":77},[52,53],{"url":64,"source":61,"tags":79},[52,53],{"url":67,"source":68,"tags":81},[70,71],[83],{"id":84,"name":85,"description":86,"extendedDescription":87,"status":88,"abstraction":89,"structure":90},"CWE-120","Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')","The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.","A buffer overflow condition exists when a product attempts to put more data in a buffer than it can hold, or when it attempts to put data in a memory area outside of the boundaries of a buffer. The simplest type of error, and the most common cause of buffer overflows, is the \"classic\" case in which the product copies the buffer without restricting how much is copied. Other variants exist, but the existence of a classic overflow strongly suggests that the programmer is not considering even the most basic of security protections.","Incomplete","Base","Simple",1,[],{"title":94,"metaDescription":95,"keywords":96,"canonicalUrl":97,"structuredData":98},"What is CVE-2001-0191? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2001-0191, a critical severity cyber security vulnerability from 2001. gnuserv before 3.12, as shipped with XEmacs, does not pr...","CVE-2001-0191, CVE-2001-0191 vulnerability, CVE-2001-0191 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2001, CVSS score, exploit, patch, remediation, andynorman security, gnu security, gnuserv vulnerability, xemacs vulnerability","\u002Fwhat-is\u002Fcve-2001-0191",{"@context":99,"@type":100,"headline":94,"description":95,"datePublished":10,"dateModified":11,"author":101,"publisher":105,"about":109,"mainEntityOfPage":113,"articleSection":116,"keywords":117},"https:\u002F\u002Fschema.org","TechArticle",{"@type":102,"name":103,"url":104},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":102,"name":103,"url":104,"logo":106},{"@type":107,"url":108},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":110,"name":6,"description":111,"additionalType":112},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":114,"@id":115},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2001-0191","Cybersecurity","CVE-2001-0191, CVE-2001-0191 vulnerability, CVE-2001-0191 security, critical severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[119],{"Operator":120,"Negate":28,"Nodes":121},"AND",[122,128],{"Operator":123,"Negate":30,"CPEMatch":124},"OR",[125],{"Vulnerable":4,"Criteria":40,"MatchCriteriaID":126,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":127,"VersionEndIncluding":28},"C4790A32-AE7A-4A2B-840B-FD0367FBCD4B","3.12",{"Operator":123,"Negate":30,"CPEMatch":129},[130],{"Vulnerable":30,"Criteria":45,"MatchCriteriaID":131,"VersionStartExcluding":28,"VersionStartIncluding":28,"VersionEndExcluding":28,"VersionEndIncluding":28},"DAB8DC9D-6378-4650-90B2-A80982681EB8",[],[134,141],{"id":135,"eventType":136,"eventTime":137,"details":138,"label":139,"color":140},"dd402275-1e77-404e-ba3e-204d4cd9b94c","LOW_EPSS_DELTA","2023-03-07T00:00:00+00:00","EPSS score changed from 0.012130 to 0.006220 (delta: -0.005910)","EPSS Score Decreased","green",{"id":142,"eventType":143,"eventTime":144,"details":145,"label":146,"color":147},"8fd978cb-8e76-4286-a535-3c4ad5d9339f","HIGH_EPSS_DELTA","2025-03-17T00:00:00+00:00","EPSS score changed from 0.005620 to 0.011880 (delta: +0.006260)","EPSS Score Increased","red",{"lastModified":11,"cacheTime":149,"version":22},1792367357237,{"score":151,"band":152,"action":153,"scoredAt":154},55,"Medium","Plan remediation","2026-10-17T06:31:50.478169+00:00"]