{"id":"CVE-2024-27199","kind":"vulnerability","aliases":["CVE-2024-27199"],"related":[],"title":"In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible","description":"JetBrains TeamCity contains a relative path traversal vulnerability that could allow limited admin actions to be performed.\n\nCISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","summary":"JetBrains TeamCity, a self-hosted CI/CD server, has a relative path traversal flaw that lets an attacker perform limited admin actions. CISA lists it as actively exploited in the wild, with ransomware use noted in the sources.","severity":"high","cvss":7.3,"epss":null,"exploited":true,"exploited_at":"2026-04-20T00:00:00+00:00","products":[{"name":"jetbrains teamcity","fixed":["2023.11.4"],"affected":"< 2023.11.4","ecosystem":"vendor"},{"name":"JetBrains TeamCity","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["ci-cd","exploited","jetbrains","package","ransomware","self-hosted","teamcity"],"not_affected_if":["default-config","managed-hosting"],"how_to_check":null,"fix":"Apply the mitigations from the JetBrains vendor advisory, or discontinue use of the product if mitigations are unavailable (per CISA required action).","status":"open","published_at":"2024-03-04T18:15:09+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:38:46+00:00","updated_at":"2026-10-24T00:09:50+00:00","category":"package","confidence":0.5,"triage":{"at":"2026-10-23T20:38:46Z","model":"claude-haiku-5-5","output":{"fix":"Apply the mitigations from the JetBrains vendor advisory, or discontinue use of the product if mitigations are unavailable (per CISA required action).","reach":"unknown","summary":"JetBrains TeamCity, a self-hosted CI/CD server, has a relative path traversal flaw that lets an attacker perform limited admin actions. CISA lists it as actively exploited in the wild, with ransomware use noted in the sources.","category":"package","who_cares":["teamcity","self-hosted","ci-cd","jetbrains"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker performs limited admin actions on the TeamCity server, possibly enabling further compromise.","analyst_note":"Find the JetBrains TeamCity advisory for CVE-2024-27199 to confirm affected and fixed versions, the exact mitigation steps, and the preconditions for exploitation.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["managed-hosting","default-config"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000449,"input_tokens":2528,"output_tokens":393,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':104C '-2024':17A,20A '-27199':18A,21A '2023.11.4':5A '22':103C 'action':13A,58B,88C,94C 'activ':63B 'admin':12A,57B,87C 'allow':8A,85C 'appli':95C 'applic':101C 'attack':54B 'bod':102C 'cd':28B 'ci':27B 'ci-cd':26B 'ci/cd':43B 'cisa':59B,92C 'cloud':107C 'contain':77C 'could':84C 'cve':16A,19A 'discontinu':110C 'exploit':29B,64B 'flaw':50B 'follow':100C 'guidanc':105C 'host':35B,42B 'instruct':99C 'jetbrain':2A,30B,37B,75C 'jetbrains':22A,24A 'let':52B 'limit':11A,56B,86C 'list':60B 'mitig':96C,116C 'note':71B 'packag':31B 'path':6A,48B,80C 'per':97C 'perform':10A,55B,91C 'possibl':15A 'product':114C 'ransomwar':32B,69B 'relat':47B,79C 'requir':93C 'self':34B,41B 'self-host':33B,40B 'server':44B 'servic':108C 'sourc':74B 'teamciti':3A,36B,38B,76C 'teamcity':23A,25A 'travers':7A,49B,81C 'unavail':118C 'use':70B,111C 'vendor':98C 'vulner':82C 'wild':67B","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2024-03-04T18:15:09+00:00","kev":{"dateAdded":"2026-04-20","dueDate":"2026-05-04","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","knownRansomwareCampaignUse":"Known"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cvss_by":"cve@jetbrains.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2024-27199","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-27199","severity":null,"published_at":"2026-04-20T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:21+00:00","note":null},{"source":"nvd","external_id":"CVE-2024-27199","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27199","severity":null,"published_at":"2024-03-04T18:15:09+00:00","modified_at":"2026-06-17T07:19:25+00:00","first_seen_at":"2026-10-23T23:44:51+00:00","fetched_at":"2026-10-23T23:44:51+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}