CVE-2021-29873
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.
Does this matter?
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.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 1.53% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- 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
- Source
- psirt@us.ibm.com
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/206229VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6497111Patch, Vendor Advisory
- https://www.ibm.com/support/pages/node/6507091Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/206229VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6497111Patch, Vendor Advisory
- https://www.ibm.com/support/pages/node/6507091Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.