{"id":"CVE-2021-29476","published":"2021-04-27T20:55:13Z","modified":"2024-08-03T22:11:05Z","title":"Insecure Deserialization of untrusted data in rmccue/requests","vendor":"WordPress","product":"Requests","tier":"core","eol":null,"affectedVersions":[{"vendor":"WordPress","product":"Requests","versions":[">= 1.6.0, < 1.8.0"]}],"description":{"text":"Requests is a HTTP library written in PHP. Requests mishandles deserialization in FilteredIterator. The issue has been patched and users of `Requests` 1.6.0, 1.6.1 and 1.7.0 should update to version 1.8.0.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.02142,"percentile":0.82009,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2023-08-14","exploitedFirstSeen":"2023-08-14","ransomware":false,"evidence":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-553-php-object-injection-gadget?asset_slug=wordpress","date":"2023-08-14"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"references":[{"url":"https://github.com/WordPress/Requests/security/advisories/GHSA-52qp-jpq7-6c54","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/rmccue/Requests/pull/421","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[{"ecosystem":"Packagist","package":"rmccue/requests","vulnerableRanges":[">=1.6.0, <1.8.0"],"patched":["1.8.0"],"from":["GHSA-52qp-jpq7-6c54"],"provenance":"source"}],"advisories":[{"id":"GHSA-52qp-jpq7-6c54","url":"https://github.com/advisories/GHSA-52qp-jpq7-6c54","severity":"CRITICAL","ecosystem":"Packagist","package":"rmccue/requests","vulnerableRanges":[">=1.6.0, <1.8.0"],"patched":["1.8.0"],"provenance":"source","from":"GHSA"}],"euvd":{"id":"EUVD-2021-0762","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-0762","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-04-27","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-29476","provenance":"source"},{"date":"2023-08-14","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-553-php-object-injection-gadget?asset_slug=wordpress","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":58.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 1172 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":16.4,"detail":"percentile 0.8201"},{"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":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}