[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-20177":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":23,"aliases":24,"duplicate_of":9,"upstream":25,"downstream":26,"duplicates":53,"related":54,"reserved_at":9,"published_at":63,"modified_at":64,"state":65,"summary":66,"references_raw":75,"kevs":85,"epss":86,"epss_history":89,"metrics":358,"affected":368},"CVE-2021-20177","A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user (with root or CAP_NET_ADMIN) when inserting iptables rules could insert a rule which can panic the system. Kernel before kernel 5.5-rc1 is affected.",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":9,"capec":18},"CWE-125","Out-of-bounds Read","The product reads data past the end, or before the beginning, of the intended buffer.","weakness","Draft","Base",[19],{"id":20,"name":21,"techniques":22},"CAPEC-540","Overread Buffers",[],[],[],[],[27,29,31,33,35,37,39,41,43,45,47,49,51],{"_key":28},"SUSE-SU-2021:0433-1",{"_key":30},"SUSE-SU-2021:0347-1",{"_key":32},"SUSE-SU-2021:0348-1",{"_key":34},"SUSE-SU-2021:0353-1",{"_key":36},"SUSE-SU-2021:0354-1",{"_key":38},"SUSE-SU-2021:0427-1",{"_key":40},"SUSE-SU-2021:0532-1",{"_key":42},"OPENSUSE-SU-2021:0241-1",{"_key":44},"DLA-2557-1",{"_key":46},"DSA-4843-1",{"_key":48},"DEBIAN-CVE-2021-20177",{"_key":50},"UBUNTU-CVE-2021-20177",{"_key":52},"USN-4750-1",[],[55,56,57,58,59,60,61,62],{"_key":28},{"_key":30},{"_key":32},{"_key":34},{"_key":36},{"_key":38},{"_key":40},{"_key":42},"2021-05-26T20:48:25.000Z","2024-08-03T17:30:07.528Z","Modified",{"cisa_kev":67,"cisa_ransomware":67,"cisa_vendor":9,"epss_severity":68,"epss_score":69,"severity":70,"severity_score":71,"severity_version":72,"severity_source":73,"severity_vector":74,"severity_status":65},false,"low",0.00034,"medium",4.4,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",[76],{"url":77,"sources":78,"tags":80},"https://bugzilla.redhat.com/show_bug.cgi?id=1914719",[79,73],"cve.org",[81,82,83,84],"X Refsource MISC","Issue Tracking","Patch","Third Party Advisory",[],{"date":87,"score":69,"percentile":88},"2026-06-03",0.10323,[90,94,97,100,103,106,109,112,115,118,121,124,127,130,133,137,140,143,146,149,152,155,158,161,164,167,170,173,175,178,181,184,187,190,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,237,240,242,245,248,251,254,257,260,263,266,269,272,275,278,281,284,287,290,293,296,299,302,305,308,311,314,317,320,322,325,328,331,334,337,340,343,346,350,353,355],{"date":91,"score":92,"percentile":93},"2025-11-04",0.00054,0.16724,{"date":95,"score":92,"percentile":96},"2025-11-05",0.16748,{"date":98,"score":92,"percentile":99},"2025-11-06",0.16837,{"date":101,"score":92,"percentile":102},"2025-11-07",0.16854,{"date":104,"score":92,"percentile":105},"2025-11-08",0.16857,{"date":107,"score":92,"percentile":108},"2025-11-09",0.16829,{"date":110,"score":92,"percentile":111},"2025-11-10",0.16789,{"date":113,"score":92,"percentile":114},"2025-11-11",0.16811,{"date":116,"score":92,"percentile":117},"2025-11-12",0.16848,{"date":119,"score":92,"percentile":120},"2025-11-13",0.16878,{"date":122,"score":92,"percentile":123},"2025-11-14",0.16884,{"date":125,"score":92,"percentile":126},"2025-11-15",0.16853,{"date":128,"score":92,"percentile":129},"2025-11-16",0.16817,{"date":131,"score":92,"percentile":132},"2025-11-17",0.16778,{"date":134,"score":135,"percentile":136},"2025-11-18",0.00047,0.09695,{"date":138,"score":135,"percentile":139},"2025-11-19",0.09708,{"date":141,"score":135,"percentile":142},"2025-11-20",0.09731,{"date":144,"score":92,"percentile":145},"2025-11-21",0.16796,{"date":147,"score":92,"percentile":148},"2025-11-22",0.16809,{"date":150,"score":92,"percentile":151},"2025-11-23",0.16781,{"date":153,"score":92,"percentile":154},"2025-11-24",0.16745,{"date":156,"score":92,"percentile":157},"2025-11-25",0.16734,{"date":159,"score":92,"percentile":160},"2025-11-26",0.16721,{"date":162,"score":92,"percentile":163},"2025-11-27",0.16729,{"date":165,"score":92,"percentile":166},"2025-11-28",0.16717,{"date":168,"score":92,"percentile":169},"2025-11-29",0.16704,{"date":171,"score":92,"percentile":172},"2025-11-30",0.16706,{"date":174,"score":92,"percentile":154},"2025-12-01",{"date":176,"score":92,"percentile":177},"2025-12-02",0.16756,{"date":179,"score":92,"percentile":180},"2025-12-03",0.16769,{"date":182,"score":92,"percentile":183},"2025-12-04",0.16735,{"date":185,"score":92,"percentile":186},"2025-12-05",0.16782,{"date":188,"score":92,"percentile":189},"2025-12-06",0.16788,{"date":191,"score":92,"percentile":132},"2025-12-07",{"date":193,"score":92,"percentile":194},"2025-12-08",0.1679,{"date":196,"score":92,"percentile":197},"2025-12-09",0.16855,{"date":199,"score":92,"percentile":200},"2025-12-10",0.16913,{"date":202,"score":92,"percentile":203},"2025-12-11",0.16963,{"date":205,"score":92,"percentile":206},"2025-12-12",0.17004,{"date":208,"score":92,"percentile":209},"2025-12-13",0.1701,{"date":211,"score":92,"percentile":212},"2025-12-14",0.16966,{"date":214,"score":92,"percentile":215},"2025-12-15",0.16938,{"date":217,"score":92,"percentile":218},"2025-12-16",0.16965,{"date":220,"score":92,"percentile":221},"2025-12-17",0.17051,{"date":223,"score":92,"percentile":224},"2025-12-18",0.17143,{"date":226,"score":92,"percentile":227},"2025-12-19",0.17156,{"date":229,"score":92,"percentile":230},"2025-12-20",0.17135,{"date":232,"score":92,"percentile":233},"2025-12-21",0.17084,{"date":235,"score":92,"percentile":236},"2025-12-22",0.17034,{"date":238,"score":92,"percentile":239},"2025-12-23",0.1703,{"date":241,"score":92,"percentile":221},"2025-12-24",{"date":243,"score":92,"percentile":244},"2025-12-25",0.17129,{"date":246,"score":92,"percentile":247},"2025-12-26",0.17113,{"date":249,"score":92,"percentile":250},"2025-12-27",0.17114,{"date":252,"score":92,"percentile":253},"2025-12-28",0.17071,{"date":255,"score":92,"percentile":256},"2025-12-29",0.17033,{"date":258,"score":92,"percentile":259},"2025-12-30",0.17047,{"date":261,"score":92,"percentile":262},"2025-12-31",0.17121,{"date":264,"score":92,"percentile":265},"2026-01-01",0.17218,{"date":267,"score":92,"percentile":268},"2026-01-02",0.17206,{"date":270,"score":92,"percentile":271},"2026-01-03",0.17191,{"date":273,"score":92,"percentile":274},"2026-01-04",0.17091,{"date":276,"score":92,"percentile":277},"2026-01-05",0.17055,{"date":279,"score":92,"percentile":280},"2026-01-06",0.17065,{"date":282,"score":92,"percentile":283},"2026-01-07",0.17102,{"date":285,"score":92,"percentile":286},"2026-01-08",0.1717,{"date":288,"score":92,"percentile":289},"2026-01-09",0.17172,{"date":291,"score":92,"percentile":292},"2026-01-10",0.17189,{"date":294,"score":92,"percentile":295},"2026-01-11",0.17151,{"date":297,"score":92,"percentile":298},"2026-01-12",0.17111,{"date":300,"score":92,"percentile":301},"2026-01-13",0.17094,{"date":303,"score":92,"percentile":304},"2026-01-14",0.17147,{"date":306,"score":92,"percentile":307},"2026-01-15",0.17148,{"date":309,"score":92,"percentile":310},"2026-01-16",0.17194,{"date":312,"score":92,"percentile":313},"2026-01-17",0.17204,{"date":315,"score":92,"percentile":316},"2026-01-18",0.17145,{"date":318,"score":92,"percentile":319},"2026-01-19",0.17093,{"date":321,"score":92,"percentile":280},"2026-01-20",{"date":323,"score":92,"percentile":324},"2026-01-21",0.17045,{"date":326,"score":92,"percentile":327},"2026-01-22",0.1698,{"date":329,"score":92,"percentile":330},"2026-01-23",0.17076,{"date":332,"score":92,"percentile":333},"2026-01-24",0.17105,{"date":335,"score":92,"percentile":336},"2026-01-25",0.17038,{"date":338,"score":92,"percentile":339},"2026-01-26",0.16942,{"date":341,"score":92,"percentile":342},"2026-01-27",0.16931,{"date":344,"score":92,"percentile":345},"2026-01-28",0.16929,{"date":347,"score":348,"percentile":349},"2026-01-29",0.00042,0.1257,{"date":351,"score":348,"percentile":352},"2026-01-30",0.12585,{"date":354,"score":348,"percentile":352},"2026-01-31",{"date":356,"score":348,"percentile":357},"2026-02-01",0.12583,[359],{"source":73,"cvss_v2_0":360,"cvss_v3_0":9,"cvss_v3_1":365,"cvss_v4_0":9},{"baseScore":361,"baseSeverity":9,"vectorString":362,"impactScore":363,"exploitabilityScore":364},2.1,"AV:L/AC:L/Au:N/C:N/I:N/A:P",2.9,3.9,{"baseScore":71,"baseSeverity":366,"vectorString":74,"impactScore":367,"exploitabilityScore":361},"MEDIUM",6,[369],{"ecosystem":9,"name":370,"vendor":371,"product":372,"cpe_part":373,"purl_type":9,"purl_namespace":9,"purl_name":9,"source":9,"versions":374},"linux kernel","linux","linux_kernel","o",[375],{"version":376,"is_range":377,"range_type":378,"version_start":9,"version_start_type":9,"version_end":379,"version_end_type":380,"fixed_in":9},"lte5.4.9",true,"cpe","5.4.9","including"]