High severity · published Feb 18, 2021
CVE-2021-20354
IBM WebSphere Application Server 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories
7.5
CVSS
4.1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Websphere Application Server · Ibm
8.0.0.0 through 8.0.0.15; 8.5.0.0 through 8.5.5.19; 9.0.0.0 through 9.0.5.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20354
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20354
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/194883
Patch
https://www.ibm.com/support/pages/node/6415959
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