{"id":"CVE-2022-2529","state":"PUBLISHED","title":"Multiple DoS Attack Vectors in sflow packet handling","description":"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.","publishedAt":"2022-09-30T10:45:11.000Z","updatedAt":"2025-05-20T16:03:07.474Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"cloudflare"},"assigner":"cloudflare","products":["Cloudflare goflow"],"affected":[{"vendor":"Cloudflare","product":"goflow","versions":[{"version":"unspecified","status":"affected","lessThan":"3.4.4","versionType":"custom"}],"platforms":["Go"]}],"references":["https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c"],"weaknesses":["CWE-20","CWE-400"],"ingestedAt":"2026-10-29T19:50:01.354Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/2xxx/CVE-2022-2529.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-2529","state":"PUBLISHED","datePublished":"2022-09-30T10:45:11.000Z","dateUpdated":"2025-05-20T16:03:07.474Z","assignerShortName":"cloudflare","assignerOrgId":"a22f1246-ba21-4bb4-a601-ad51614c1513","dateReserved":"2022-07-25T00:00:00.000Z"},"containers":{"cna":{"title":"Multiple DoS Attack Vectors in sflow packet handling","descriptions":[{"lang":"en","value":"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service."}],"affected":[{"vendor":"Cloudflare","product":"goflow","versions":[{"version":"unspecified","status":"affected","lessThan":"3.4.4","versionType":"custom"}],"platforms":["Go"]}],"references":[{"url":"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","description":"CWE-20 Improper Input Validation","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-400","description":"CWE-400 Uncontrolled Resource Consumption","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"cloudflare","dateUpdated":"2022-09-30T10:45:11.000Z","orgId":"a22f1246-ba21-4bb4-a601-ad51614c1513"},"credits":[{"lang":"en","value":"Justin Timperio, Chase Hiltz"}],"solutions":[{"lang":"en","value":"Upgrade goflow at least to version 3.4.4"}],"source":{"discovery":"EXTERNAL"},"workarounds":[{"lang":"en","value":"Make sure that the goflow collector is not publicly reachable."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cna@cloudflare.com","ID":"CVE-2022-2529","STATE":"PUBLIC","TITLE":"Multiple DoS Attack Vectors in sflow packet handling"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"goflow","version":{"version_data":[{"platform":"Go","version_affected":"<","version_value":"3.4.4"}]}}]},"vendor_name":"Cloudflare"}]}},"credit":[{"lang":"eng","value":"Justin Timperio, Chase Hiltz"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-20 Improper Input Validation"}]},{"description":[{"lang":"eng","value":"CWE-400 Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"name":"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c","refsource":"MISC","url":"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c"}]},"solution":[{"lang":"en","value":"Upgrade goflow at least to version 3.4.4"}],"source":{"discovery":"EXTERNAL"},"work_around":[{"lang":"en","value":"Make sure that the goflow collector is not publicly reachable."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/cloudflare/goflow/security/advisories/GHSA-9rpw-2h95-666c","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T00:39:08.043Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-20T16:02:58.308388Z","id":"CVE-2022-2529","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-05-20T16:03:07.474Z"}}]}}}