VulnerabilityModified
CVE-2020-4450
IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects.
CRITICAL 9.8EPSS 34.2%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 34.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects. IBM X-Force ID: 181231.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 34.18% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- ibm/websphere application server
- Source
- psirt@us.ibm.com
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181231VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6220294Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-689/Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181231VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6220294Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-689/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.