Security readout for executives and security teams
CVE-2015-4852 lets an unauthenticated attacker run commands on affected Oracle WebLogic Server systems by abusing Java deserialization over the T3 protocol. For business leaders, the key issue is server takeover risk on exposed WebLogic services, especially because CISA lists it as known exploited. Highest exposure is internet- or partner-facing WebLogic Server instances with T3 reachable, commonly on TCP 7001. Internal exposure still matters because the vulnerability requires no privileges or user interaction once network access to the service exists. Treat this as urgent for any exposed WebLogic Server. The combination of critical impact, no-auth network attack path, and CISA KEV status supports immediate remediation tracking and executive visibility until patching or isolation is verified. Mitigation focus: Apply Oracle guidance and relevant Critical Patch Updates for affected WebLogic versions.; Prioritize exposed WebLogic servers before internal-only instances.; Restrict T3 and TCP 7001 access to trusted networks where feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2015-4852 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/foxglovesec/JavaUnserializeExploits/blob/master/weblogic.pyCVE reference · x_refsource_MISC
- https://blogs.oracle.com/security/entry/security_alert_cve_2015_4852CVE reference · x_refsource_CONFIRM
- 42806CVE reference · exploit, x_refsource_EXPLOIT-DB
- 46628CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-4852CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.