{"id":"CVE-2021-22855","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-22855","generatedAt":"2026-10-28T01:51:34.064Z","title":"The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized.","description":"The specific function of HR Portal of Soar Cloud System accepts any type of object to be deserialized. Attackers can send malicious serialized objects to execute arbitrary commands.","published":"2021-02-17T14:15:19.000Z","lastModified":"2026-06-17T03:37:53.000Z","status":"Modified","sourceIdentifier":"twcert@cert.org.tw","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["hr portal project/hr portal"],"epss":{"score":0.02039,"percentile":0.80981,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.chtsecurity.com/news/d334641f-2b28-4eab-a5ed-c6ec6740557e","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-4405-2ddde-1.html","tags":["Third Party Advisory"],"source":"twcert@cert.org.tw"},{"url":"https://www.chtsecurity.com/news/d334641f-2b28-4eab-a5ed-c6ec6740557e","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.twcert.org.tw/tw/cp-132-4405-2ddde-1.html","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-22855","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}