{"id":"CVE-2020-16013","kind":"vulnerability","aliases":["CVE-2020-16013"],"related":[],"title":"Google Chromium V8: Google Chromium V8 Incorrect Implementation Vulnerabililty","description":"Google Chromium V8 Engine contains an inappropriate implementation vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.\n\nCISA required action: Apply updates per vendor instructions.","summary":"A flaw in the V8 JavaScript engine used by Chromium browsers lets a remote attacker cause heap memory corruption by luring a victim to a crafted HTML page. Successful exploitation can lead to code execution in the browser context.","severity":"high","cvss":8.8,"epss":0.02756,"exploited":true,"exploited_at":"2021-11-03T00:00:00+00:00","products":[{"name":"Google Chromium V8","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["browsers","chrome","chromium","edge","exploited","opera","other"],"not_affected_if":["fully-patched-browser"],"how_to_check":"Check the installed browser version (chrome://version in Chrome, edge://version in Edge) and compare it with the fixed release in the vendor advisory.","fix":"Update Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers to a release that includes the vendor's fix; the fixed version is unknown from these sources.","status":"open","published_at":"2021-01-08T19:15:12+00:00","first_seen_at":"2026-10-23T19:11:53+00:00","triaged_at":"2026-10-23T21:39:48+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"other","confidence":0.7,"triage":{"at":"2026-10-23T21:39:48Z","model":"claude-haiku-5-5","output":{"fix":"Update Google Chrome, Microsoft Edge, Opera and other Chromium-based browsers to a release that includes the vendor's fix; the fixed version is unknown from these sources.","reach":"internet","impact":"high","summary":"A flaw in the V8 JavaScript engine used by Chromium browsers lets a remote attacker cause heap memory corruption by luring a victim to a crafted HTML page. Successful exploitation can lead to code execution in the browser context.","category":"other","who_cares":["chromium","chrome","edge","opera","browsers"],"confidence":0.7,"needs_auth":"no","worst_case":"Attacker runs code in the browser via a crafted web page","analyst_note":"Confirm the fixed Chromium/Chrome version from the Chrome Releases blog and the CVE entry; sources did not name fixed versions.","how_to_check":"Check the installed browser version (chrome://version in Chrome, edge://version in Edge) and compare it with the fixed release in the vendor advisory.","needs_analyst":true,"not_affected_if":["fully-patched-browser"],"user_interaction":"yes","needs_special_setup":"no","severity_if_unknown":"high"},"cost_usd":0.000496,"input_tokens":2896,"output_tokens":413,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-16013':12A,15A '-2020':11A,14A 'action':111C 'affect':91C 'allow':74C 'appli':112C 'attack':39B,77C 'browser':19B,35B,62B,94C 'caus':40B 'chrome':20B,104C 'chromium':2A,5A,17A,21B,34B,65C,97C 'cisa':109C 'code':58B 'contain':68C 'context':63B 'corrupt':43B,82C 'could':90C 'craft':50B,85C 'cve':10A,13A 'edg':22B,106C 'engin':31B,67C 'execut':59B 'exploit':23B,54B,80C 'flaw':26B 'googl':1A,4A,64C,103C 'google':16A 'heap':41B,81C 'html':51B,86C 'implement':8A,71C 'inappropri':70C 'includ':98C 'incorrect':7A 'instruct':116C 'javascript':30B 'lead':56B 'let':36B 'limit':101C 'lure':45B 'memori':42B 'microsoft':105C 'multipl':92C 'opera':24B,108C 'page':52B,87C 'per':114C 'potenti':79C 'remot':38B,76C 'requir':110C 'success':53B 'updat':113C 'use':32B 'util':96C 'v8':3A,6A,18A,29B,66C 'vendor':115C 'via':83C 'victim':47B 'vulner':72C,89C 'vulnerabililti':9A 'web':93C","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2021-01-08T19:15:12+00:00","kev":{"dateAdded":"2021-11-03","dueDate":"2022-05-03","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2020-16013","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-16013","severity":null,"published_at":"2021-11-03T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:53+00:00","fetched_at":"2026-10-25T12:39:25+00:00","note":null},{"source":"epss","external_id":"CVE-2020-16013","url":"https://api.first.org/data/v1/epss?cve=CVE-2020-16013","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:44+00:00","fetched_at":"2026-10-23T19:13:44+00:00","note":null},{"source":"nvd","external_id":"CVE-2020-16013","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16013","severity":null,"published_at":"2021-01-08T19:15:12+00:00","modified_at":"2026-06-17T02:57:38+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+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"}