{"id":"CVE-2025-20337","kind":"vulnerability","aliases":["CVE-2025-20337"],"related":[],"title":"A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…","description":"Cisco Identity Services Engine contains an injection vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC due to insufficient validation of user-supplied input allowing an attacker to exploit this vulnerability by submitting a crafted API request. Successful exploitation could allow an attacker to perform remote code execution and obtaining root privileges on an affected device.\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":"Cisco Identity Services Engine (ISE) and ISE-PIC have an injection flaw in a specific API that does not validate user input properly. An attacker who sends a crafted API request can run commands remotely and gain root on the device.","severity":"critical","cvss":10.0,"epss":null,"exploited":true,"exploited_at":"2025-07-28T00:00:00+00:00","products":[{"name":"Cisco Identity Services Engine","fixed":[],"affected":"","ecosystem":"vendor"},{"name":"cisco identity services engine","fixed":[],"affected":"= 3.3.0","ecosystem":"vendor"},{"name":"cisco identity services engine","fixed":[],"affected":"= 3.4.0","ecosystem":"vendor"},{"name":"cisco identity services engine passive identity connector","fixed":[],"affected":"= 3.3.0","ecosystem":"vendor"},{"name":"cisco identity services engine passive identity connector","fixed":[],"affected":"= 3.4.0","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["cisco-ise","exploited","infrastructure","network-access-control","self-hosted"],"not_affected_if":["unknown"],"how_to_check":null,"fix":"Apply the mitigations and fixed release per Cisco's vendor advisory; the sources do not name the fixed version. If no mitigation is available, CISA directs discontinuing use of the product.","status":"open","published_at":"2025-07-16T17:15:30+00:00","first_seen_at":"2026-10-23T19:11:51+00:00","triaged_at":"2026-10-23T20:46:39+00:00","updated_at":"2026-10-23T22:29:05+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T20:46:39Z","model":"claude-haiku-5-5","output":{"fix":"Apply the mitigations and fixed release per Cisco's vendor advisory; the sources do not name the fixed version. If no mitigation is available, CISA directs discontinuing use of the product.","reach":"network","summary":"Cisco Identity Services Engine (ISE) and ISE-PIC have an injection flaw in a specific API that does not validate user input properly. An attacker who sends a crafted API request can run commands remotely and gain root on the device.","category":"infrastructure","who_cares":["cisco-ise","network-access-control","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs commands remotely as root on the ISE appliance.","analyst_note":"Find Cisco's advisory for CVE-2025-20337 to get affected and fixed versions, the API endpoint involved, and a check command; the sources give none of these.","how_to_check":"unknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000448,"input_tokens":2611,"output_tokens":374,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-01':180C '-2025':22A,25A '-20337':23A,26A '22':179C 'access':60B 'action':170C 'affect':166C 'allow':16A,136C,152C 'api':6A,81B,95B,118C,147C 'appli':171C 'applic':177C 'attack':20A,90B,138C,154C 'bod':178C 'cisa':168C 'cisco':8A,11A,27A,31A,35A,39A,46A,54B,65B,107C,120C,123C 'cisco-is':53B 'cloud':183C 'code':158C 'command':99B 'connector':45A,52A 'contain':111C 'control':61B 'could':15A,151C 'craft':94B,146C 'cve':21A,24A 'devic':106B,167C 'discontinu':186C 'due':127C 'engin':68B,110C 'engine':30A,34A,38A,42A,49A 'execut':159C 'exploit':56B,140C,150C 'flaw':77B 'follow':176C 'gain':102B 'guidanc':181C 'host':64B 'ident':66B,108C 'identity':28A,32A,36A,40A,44A,47A,51A 'infrastructur':57B 'inject':76B,113C 'input':87B,135C 'instruct':175C 'insuffici':129C 'ise':9A,13A,55B,69B,72B,121C,125C 'ise-p':12A,71B,124C 'mitig':172C,192C 'network':59B 'network-access-control':58B 'obtain':161C 'passive':43A,50A 'per':173C 'perform':156C 'pic':14A,73B,126C 'privileg':163C 'product':190C 'proper':88B 'remot':19A,100B,157C 'request':96B,148C 'requir':169C 'root':103B,162C 'run':98B 'self':63B 'self-host':62B 'send':92B 'servic':67B,109C,184C 'services':29A,33A,37A,41A,48A 'specif':5A,80B,117C 'submit':144C 'success':149C 'suppli':134C 'unauthent':18A 'unavail':194C 'use':187C 'user':86B,133C 'user-suppli':132C 'valid':85B,130C 'vendor':174C 'vulner':2A,114C,142C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2025-07-16T17:15:30+00:00","kev":{"dateAdded":"2025-07-28","dueDate":"2025-08-18","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":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvss_by":"psirt@cisco.com","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2025-20337","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-20337","severity":null,"published_at":"2025-07-28T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:51+00:00","fetched_at":"2026-10-25T12:39:22+00:00","note":null},{"source":"nvd","external_id":"CVE-2025-20337","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-20337","severity":null,"published_at":"2025-07-16T17:15:30+00:00","modified_at":"2026-06-17T08:41:29+00:00","first_seen_at":"2026-10-23T22:29:05+00:00","fetched_at":"2026-10-23T22:29:05+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"}