{"id":"CVE-2023-0921","published":"2023-06-06T00:00:00Z","modified":"2025-01-07T21:51:37Z","title":"Allocation of Resources Without Limits or Throttling in GitLab","vendor":"GitLab","product":"GitLab","tier":"core","eol":null,"affectedVersions":[{"vendor":"GitLab","product":"GitLab","versions":[">=8.3, <15.10.8",">=15.11, <15.11.7",">=16.0, <16.0.2"]}],"description":{"text":"A lack of length validation in GitLab CE/EE affecting all versions from 8.3 before 15.10.8, 15.11 before 15.11.7, and 16.0 before 16.0.2 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.","provenance":"source","from":"CVE.org"},"summary":{"text":"GitLab CE/EE, the Issue description handling in GraphQL, lacks length validation, so large Issue descriptions can be created and processed without limit. An authenticated attacker with network access can create a large Issue description via GraphQL and, by repeatedly requesting it, saturate CPU usage (a denial-of-service condition), with no user interaction or special configuration required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:22:40Z"},"cvss":{"score":4.3,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.84438,"percentile":0.997,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-770","name":"Allocation of Resources Without Limits or Throttling"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/392433","tags":[]},{"url":"https://hackerone.com/reports/1869839","tags":[]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-0921.json","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-12908","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-12908","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2023-06-06","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2023-0921","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":23.0,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.94,"detail":"percentile 0.9970"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":3.01,"detail":"base score 4.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}