If you cannot upgrade, apply these controls religiously :
: This release included new blacklist entries for compromised or untrusted certificates to protect against man-in-the-middle attacks. JRE Expiration Warnings java 7 update 80 vulnerabilities
Vulnerabilities in Java Cryptography Extension (JCE) allow remote access to sensitive data. If you cannot upgrade, apply these controls religiously
Implement strict policies to limit what the Java runtime can access on the local disk and network. Disable the Java plugin in all web browsers
Disable the Java plugin in all web browsers. Most modern threats are delivered through web-based exploits.
because it has not received public security patches for nearly a decade. The Critical Risk of Java 7u80
| CVE ID | Description | Impact | |--------|-------------|--------| | | Apache Commons Collections deserialization gadget (used in many Java apps, but Java 7’s standard libraries + third‑party libs make exploitation trivial). | Unauthenticated RCE | | CVE-2016-0636 | Exploits JMX/MBean deserialization issues (affects Java 7 update 80). | RCE | | CVE-2017-5644 | Apache POI & Java serialization – allows remote attacker to execute arbitrary code via crafted serialized objects. | RCE | | CVE-2018-2826 (part of the Spring4Shell family) | Not in core Java, but Java 7’s reflection APIs and classloading issues are leveraged. Java 7 lacks newer security manager improvements. | RCE | | CVE-2019-2725 | Oracle WebLogic (runs on Java 7) – deserialization flaw. Java 7 update 80 is vulnerable. | RCE | | CVE-2020-1472 (ZeroLogon) | Affects Windows domain controllers, but Java 7 apps often authenticate via NTLM – the Java 7 implementation is unpatched, leading to escalation. | Privilege escalation | | CVE-2022-21349 (Java SE 7 – after EOL) | Deserialization in JNDI/RMI. No fix for Java 7. | RCE |