CVEs / CVE-2015-4852
CVE-2015-4852: Oracle WebLogic Server Deserialization of Untrusted Data Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 94.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Oracle WebLogic Server contains a deserialization of untrusted data vulnerability within Apache Commons, which can allow for for remote code execution.
Description
The WLS Security component in Oracle WebLogic Server 10.3.6.0, 12.1.2.0, 12.1.3.0, and 12.2.1.0 allows remote attackers to execute arbitrary commands via a crafted serialized Java object in T3 protocol traffic to TCP port 7001, related to oracle_common/modules/com.bea.core.apache.commons.collections.jar. NOTE: the scope of this CVE is limited to the WebLogic Server product.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 3 May 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-502 |
References
- CVE-2015-4852 on NVD
- CVE-2015-4852 in the CISA KEV catalog
- http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/ Exploit
- http://packetstormsecurity.com/files/152268/Oracle-Weblogic-Server-Deserialization-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2015/11/17/19 Mailing List, Third Party Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuapr2017-3236618.html Patch
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html Patch, Vendor Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html Patch, Vendor Advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html Patch, Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/alert-cve-2015-4852-2763333.html Vendor Advisory
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html Patch, Vendor Advisory
- http://www.securityfocus.com/bid/77539 Broken Link
- http://www.securitytracker.com/id/1038292 Broken Link
- https://blogs.oracle.com/security/entry/security_alert_cve_2015_4852 Broken Link
- https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/weblogic.py Product
- https://www.exploit-db.com/exploits/42806/ Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46628/ Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4852 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.