CVE-2013-0422
Published: May 25, 2022
Official Description
A vulnerability in the way Java restricts the permissions of Java applets could allow an attacker to execute commands on a vulnerable system.
CISA KEV Advisory
Oracle JRE Remote Code Execution Vulnerability
A vulnerability in the way Java restricts the permissions of Java applets could allow an attacker to execute commands on a vulnerable system.
Apply updates per vendor instructions.
Risk Analysis
This Java vulnerability allows an attacker to bypass security restrictions for Java applets, potentially leading to arbitrary command execution on the affected system. With an EPSS score of 0.93633 and presence in CISA's KEV, this flaw poses a critical and actively exploited threat.
This vulnerability is actively being exploited in the wild. The nature of the flaw suggests it can be exploited remotely.
It is crucial to update Java to the latest secure version. Disable Java applets if they are not strictly necessary for business operations.
Technical Analysis
CVE-2013-0422 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2013-0422 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2013-0422 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1