Medium severity · published Sep 21, 2020
CVE-2020-4590
IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack…
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Websphere Application Server · Ibm
17.0.0.3 through 20.0.0.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4590
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4590
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/184650
Patch
https://www.ibm.com/support/pages/node/6333623
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