[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-4189":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-05T08:55:32.481Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":62,"related":63,"reserved_at":9,"published_at":70,"modified_at":71,"state":72,"summary":73,"references_raw":82,"kevs":129,"epss":130,"epss_history":133,"metrics":411,"affected":419},"CVE-2021-4189","A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecting back to a given IP address and port. This vulnerability could lead to FTP client scanning ports, which otherwise would not have been possible.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-252","Unchecked Return Value","The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.","weakness","Draft","Base","Low",[],[],[],[],[24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60],{"_key":25},"RHSA-2022:1986",{"_key":27},"SUSE-SU-2022:0882-1",{"_key":29},"SUSE-SU-2022:1091-1",{"_key":31},"SUSE-SU-2022:1140-1",{"_key":33},"OPENSUSE-SU-2022:1091-1",{"_key":35},"OPENSUSE-SU-2024:11835-1",{"_key":37},"DLA-2919-1",{"_key":39},"DLA-3432-1",{"_key":41},"DLA-3477-1",{"_key":43},"DLA-3980-1",{"_key":45},"RHSA-2022:1663",{"_key":47},"RHSA-2022:1821",{"_key":49},"RHSA-2021:3254",{"_key":51},"MGASA-2022-0367",{"_key":53},"UBUNTU-CVE-2021-4189",{"_key":55},"USN-5342-2",{"_key":57},"DEBIAN-CVE-2021-4189",{"_key":59},"USN-5342-1",{"_key":61},"USN-6891-1",[],[64,65,66,67,68,69],{"_key":27},{"_key":29},{"_key":31},{"_key":33},{"_key":35},{"_key":51},"2022-08-24T00:00:00.000Z","2025-12-17T21:36:07.876Z","Modified",{"cisa_kev":74,"cisa_ransomware":74,"cisa_vendor":9,"epss_severity":75,"epss_score":76,"severity":77,"severity_score":78,"severity_version":79,"severity_source":80,"severity_vector":81,"severity_status":72},false,"low",0.01086,"medium",5.3,"v3.1","cve.org","CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",[83,90,95,99,103,108,112,116,121,125],{"url":84,"sources":85,"tags":87},"https://bugs.python.org/issue43285",[80,86],"nvd",[88,89],"Patch","Vendor Advisory",{"url":91,"sources":92,"tags":93},"https://python-security.readthedocs.io/vuln/ftplib-pasv.html",[80,86],[88,94],"Third Party Advisory",{"url":96,"sources":97,"tags":98},"https://github.com/python/cpython/commit/0ab152c6b5d95caa2dc1a30fa96e10258b5f188e",[80,86],[88,94],{"url":100,"sources":101,"tags":102},"https://security-tracker.debian.org/tracker/CVE-2021-4189",[80,86],[94],{"url":104,"sources":105,"tags":106},"https://bugzilla.redhat.com/show_bug.cgi?id=2036020",[80,86],[107,88,94],"Issue Tracking",{"url":109,"sources":110,"tags":111},"https://access.redhat.com/security/cve/CVE-2021-4189",[80,86],[94],{"url":113,"sources":114,"tags":115},"https://security.netapp.com/advisory/ntap-20221104-0004/",[80,86],[94],{"url":117,"sources":118,"tags":119},"https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html",[80,86],[120],"Mailing List",{"url":122,"sources":123,"tags":124},"https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html",[80,86],[120],{"url":126,"sources":127,"tags":128},"https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html",[80,86],[],[],{"date":131,"score":76,"percentile":132},"2026-06-04",0.78246,[134,138,141,144,147,150,153,156,159,162,165,168,171,174,177,181,184,187,190,192,195,198,201,204,207,210,213,216,219,222,225,228,231,233,236,239,242,244,247,250,253,256,259,261,264,268,271,274,277,280,282,285,289,293,297,300,303,306,309,312,316,319,322,325,328,331,334,337,340,343,347,350,353,356,359,362,366,369,372,375,379,382,385,388,391,395,398,401,404,408],{"date":135,"score":136,"percentile":137},"2025-11-04",0.00302,0.53094,{"date":139,"score":136,"percentile":140},"2025-11-05",0.53067,{"date":142,"score":136,"percentile":143},"2025-11-06",0.53083,{"date":145,"score":136,"percentile":146},"2025-11-07",0.53106,{"date":148,"score":136,"percentile":149},"2025-11-08",0.53107,{"date":151,"score":136,"percentile":152},"2025-11-09",0.53105,{"date":154,"score":136,"percentile":155},"2025-11-10",0.53074,{"date":157,"score":136,"percentile":158},"2025-11-11",0.53086,{"date":160,"score":136,"percentile":161},"2025-11-12",0.53112,{"date":163,"score":136,"percentile":164},"2025-11-13",0.53118,{"date":166,"score":136,"percentile":167},"2025-11-14",0.53119,{"date":169,"score":136,"percentile":170},"2025-11-15",0.53116,{"date":172,"score":136,"percentile":173},"2025-11-16",0.53097,{"date":175,"score":136,"percentile":176},"2025-11-17",0.5308,{"date":178,"score":179,"percentile":180},"2025-11-18",0.04369,0.87854,{"date":182,"score":179,"percentile":183},"2025-11-19",0.87858,{"date":185,"score":179,"percentile":186},"2025-11-20",0.87862,{"date":188,"score":136,"percentile":189},"2025-11-21",0.53098,{"date":191,"score":136,"percentile":189},"2025-11-22",{"date":193,"score":136,"percentile":194},"2025-11-23",0.53056,{"date":196,"score":136,"percentile":197},"2025-11-24",0.53047,{"date":199,"score":136,"percentile":200},"2025-11-25",0.53054,{"date":202,"score":136,"percentile":203},"2025-11-26",0.53057,{"date":205,"score":136,"percentile":206},"2025-11-27",0.53062,{"date":208,"score":136,"percentile":209},"2025-11-28",0.53035,{"date":211,"score":136,"percentile":212},"2025-11-29",0.53015,{"date":214,"score":136,"percentile":215},"2025-11-30",0.53008,{"date":217,"score":136,"percentile":218},"2025-12-01",0.53156,{"date":220,"score":136,"percentile":221},"2025-12-02",0.53175,{"date":223,"score":136,"percentile":224},"2025-12-03",0.53174,{"date":226,"score":136,"percentile":227},"2025-12-04",0.53023,{"date":229,"score":136,"percentile":230},"2025-12-05",0.53042,{"date":232,"score":136,"percentile":230},"2025-12-06",{"date":234,"score":136,"percentile":235},"2025-12-07",0.53031,{"date":237,"score":136,"percentile":238},"2025-12-08",0.5303,{"date":240,"score":136,"percentile":241},"2025-12-09",0.53046,{"date":243,"score":136,"percentile":146},"2025-12-10",{"date":245,"score":136,"percentile":246},"2025-12-11",0.53126,{"date":248,"score":136,"percentile":249},"2025-12-12",0.53153,{"date":251,"score":136,"percentile":252},"2025-12-13",0.53147,{"date":254,"score":136,"percentile":255},"2025-12-14",0.53136,{"date":257,"score":136,"percentile":258},"2025-12-15",0.53124,{"date":260,"score":136,"percentile":255},"2025-12-16",{"date":262,"score":136,"percentile":263},"2025-12-17",0.53158,{"date":265,"score":266,"percentile":267},"2025-12-18",0.00658,0.70416,{"date":269,"score":266,"percentile":270},"2025-12-19",0.70431,{"date":272,"score":266,"percentile":273},"2025-12-20",0.70428,{"date":275,"score":266,"percentile":276},"2025-12-21",0.70418,{"date":278,"score":266,"percentile":279},"2025-12-22",0.70417,{"date":281,"score":266,"percentile":279},"2025-12-23",{"date":283,"score":266,"percentile":284},"2025-12-24",0.70426,{"date":286,"score":287,"percentile":288},"2025-12-25",0.007,0.71433,{"date":290,"score":291,"percentile":292},"2025-12-26",0.00681,0.71018,{"date":294,"score":295,"percentile":296},"2025-12-27",0.00813,0.7372,{"date":298,"score":291,"percentile":299},"2025-12-28",0.7099,{"date":301,"score":291,"percentile":302},"2025-12-29",0.70985,{"date":304,"score":291,"percentile":305},"2025-12-30",0.71001,{"date":307,"score":291,"percentile":308},"2025-12-31",0.71023,{"date":310,"score":291,"percentile":311},"2026-01-01",0.71177,{"date":313,"score":314,"percentile":315},"2026-01-02",0.00627,0.69774,{"date":317,"score":314,"percentile":318},"2026-01-03",0.69773,{"date":320,"score":314,"percentile":321},"2026-01-04",0.6962,{"date":323,"score":314,"percentile":324},"2026-01-05",0.69606,{"date":326,"score":314,"percentile":327},"2026-01-06",0.69616,{"date":329,"score":314,"percentile":330},"2026-01-07",0.69629,{"date":332,"score":314,"percentile":333},"2026-01-08",0.69644,{"date":335,"score":314,"percentile":336},"2026-01-09",0.6965,{"date":338,"score":314,"percentile":339},"2026-01-10",0.69649,{"date":341,"score":314,"percentile":342},"2026-01-11",0.69641,{"date":344,"score":345,"percentile":346},"2026-01-12",0.00591,0.68578,{"date":348,"score":345,"percentile":349},"2026-01-13",0.68577,{"date":351,"score":345,"percentile":352},"2026-01-14",0.6861,{"date":354,"score":345,"percentile":355},"2026-01-15",0.68615,{"date":357,"score":345,"percentile":358},"2026-01-16",0.6863,{"date":360,"score":345,"percentile":361},"2026-01-17",0.6862,{"date":363,"score":364,"percentile":365},"2026-01-18",0.00598,0.68782,{"date":367,"score":364,"percentile":368},"2026-01-19",0.68772,{"date":370,"score":364,"percentile":371},"2026-01-20",0.68783,{"date":373,"score":364,"percentile":374},"2026-01-21",0.68792,{"date":376,"score":377,"percentile":378},"2026-01-22",0.00607,0.69105,{"date":380,"score":377,"percentile":381},"2026-01-23",0.69134,{"date":383,"score":377,"percentile":384},"2026-01-24",0.69141,{"date":386,"score":377,"percentile":387},"2026-01-25",0.69111,{"date":389,"score":377,"percentile":390},"2026-01-26",0.69106,{"date":392,"score":393,"percentile":394},"2026-01-27",0.00659,0.70556,{"date":396,"score":393,"percentile":397},"2026-01-28",0.70571,{"date":399,"score":393,"percentile":400},"2026-01-29",0.7057,{"date":402,"score":393,"percentile":403},"2026-01-30",0.70579,{"date":405,"score":406,"percentile":407},"2026-01-31",0.00746,0.726,{"date":409,"score":406,"percentile":410},"2026-02-01",0.72726,[412,417],{"source":80,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":413,"cvss_v4_0":9},{"baseScore":78,"baseSeverity":414,"vectorString":81,"impactScore":415,"exploitabilityScore":416},"MEDIUM",2.3,10,{"source":86,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":418,"cvss_v4_0":9},{"baseScore":78,"baseSeverity":414,"vectorString":81,"impactScore":415,"exploitabilityScore":416},[420,431,439,463,470],{"ecosystem":9,"name":421,"vendor":422,"product":423,"cpe_part":424,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":425},"debian linux","debian","debian_linux","o",[426,429],{"version":427,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"10.0","cpe",{"version":430,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"11.0",{"ecosystem":9,"name":432,"vendor":433,"product":434,"cpe_part":435,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":436},"ontap select deploy administration utility","netapp","ontap_select_deploy_administration_utility","a",[437],{"version":438,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"na",{"ecosystem":9,"name":440,"vendor":440,"product":440,"cpe_part":435,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":441},"python",[442,449,453,457,461],{"version":443,"is_range":444,"range_type":428,"version_start":445,"version_start_type":446,"version_end":447,"version_end_type":448,"fixed_in":9},"gte3.6.0_lt3.6.14",true,"3.6.0","including","3.6.14","excluding",{"version":450,"is_range":444,"range_type":428,"version_start":451,"version_start_type":446,"version_end":452,"version_end_type":448,"fixed_in":9},"gte3.7.0_lt3.7.11","3.7.0","3.7.11",{"version":454,"is_range":444,"range_type":428,"version_start":455,"version_start_type":446,"version_end":456,"version_end_type":448,"fixed_in":9},"gte3.8.0_lt3.8.9","3.8.0","3.8.9",{"version":458,"is_range":444,"range_type":428,"version_start":459,"version_start_type":446,"version_end":460,"version_end_type":448,"fixed_in":9},"gte3.9.0_lt3.9.3","3.9.0","3.9.3",{"version":462,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"3.10.0",{"ecosystem":9,"name":464,"vendor":465,"product":466,"cpe_part":424,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":467},"enterprise linux","redhat","enterprise_linux",[468],{"version":469,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"8.0",{"ecosystem":9,"name":471,"vendor":465,"product":472,"cpe_part":435,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":473},"software collections","software_collections",[474],{"version":438,"is_range":74,"range_type":428,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9}]