CVE-2020-4464
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 traditional could allow a remote attacker to execute arbitrary code on a system with a specially-crafted sequence of serialized objects over the SOAP connector. IBM X-Force ID: 181489.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 13.23% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- ibm/websphere application server
- Source
- psirt@us.ibm.com
EPSS 13.2% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. 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/181489VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6250059Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-878/Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/181489VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6250059Patch, Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-20-878/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.