{"cve":"CVE-2013-4873","nvd":{"published":"2013-07-18T16:51:40.250","modified":"2026-06-16T23:58:02.433","status":"Modified","description":"The Yahoo! Tumblr app before 3.4.1 for iOS sends cleartext credentials, which allows remote attackers to obtain sensitive information by sniffing the network.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-255"],"references":["http://osvdb.org/95374","http://staff.tumblr.com/post/55648373578/important-security-update-for-iphone-ipad-users","http://www.theregister.co.uk/2013/07/17/tumblr_ios_snafu_fixed/","https://exchange.xforce.ibmcloud.com/vulnerabilities/85823","https://itunes.apple.com/us/app/tumblr/id305343404"],"products":["yahoo:tumblr"],"source":"nvd","synced_at":"2026-10-19T20:29:16.037019470+00:00"},"epss":{"cve":"CVE-2013-4873","score":0.02072,"percentile":0.8144,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}