CVE-2019-4279
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 79.9%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 160445.
- 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
- 79.93% probability · 100th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 5 June 2019
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- ibm/websphere application server
- Source
- psirt@us.ibm.com
EPSS 79.9% 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.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.securityfocus.com/bid/108450Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/160445VDB Entry, Vendor Advisory
- https://www.ibm.com/support/docview.wss?uid=ibm10883628Vendor Advisory
- http://www.securityfocus.com/bid/108450Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/160445VDB Entry, Vendor Advisory
- https://www.ibm.com/support/docview.wss?uid=ibm10883628Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.