VulnerabilityModified
CVE-2021-20354
IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories.
HIGH 7.5EPSS 4.10%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 194883.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 4.10% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- ibm/websphere application server
- Source
- psirt@us.ibm.com
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/194883VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6415959Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/194883VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6415959Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.