{"id":"CVE-2021-29873","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-29873","generatedAt":"2026-10-27T22:32:41.281Z","title":"IBM Flash System 900 could allow an authenticated attacker to obtain sensitive information and cause a denial of service due to a restricted shell escape vulnerability.","description":"IBM Flash System 900 could allow an authenticated attacker to obtain sensitive information and cause a denial of service due to a restricted shell escape vulnerability. IBM X-Force ID: 206229.","published":"2021-10-21T17:15:08.000Z","lastModified":"2026-06-17T03:48:25.000Z","status":"Modified","sourceIdentifier":"psirt@us.ibm.com","cvss":{"version":"3.1","score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"},"cwe":[],"affected":["ibm/spectrum virtualize","ibm/spectrum virtualize for public cloud","ibm/storwize v3500 software","ibm/storwize v3700 software","ibm/storwize v5000 software","ibm/storwize v5100 software","ibm/storwize v7000 software","ibm/san volume controller firmware","ibm/flashsystem 9100 firmware","ibm/flashsystem 9000 firmware"],"epss":{"score":0.01526,"percentile":0.74508,"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 (1.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/206229","tags":["VDB Entry","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://www.ibm.com/support/pages/node/6497111","tags":["Patch","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://www.ibm.com/support/pages/node/6507091","tags":["Patch","Vendor Advisory"],"source":"psirt@us.ibm.com"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/206229","tags":["VDB Entry","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ibm.com/support/pages/node/6497111","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.ibm.com/support/pages/node/6507091","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-29873","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."}