https://souljian.cn/tags/cve-2020-14882/Recent content in CVE-2020-14882 on SoulJian小站Hugo -- gohugo.ioen-usSun, 30 Aug 2026 10:00:00 +0800https://souljian.cn/p/751088158/Sat, 29 Aug 2026 14:00:00 +0800https://souljian.cn/p/751088158/<h2 id="写在前面合法学习边界">写在前面：合法学习边界 </h2><p>WebLogic 攻击只在授权测试环境进行。对非授权目标进行攻击可能触犯法律。</p> <h2 id="一weblogic-rce-利用链">一、WebLogic RCE 利用链 </h2><img src="https://souljian.cn/img/weblogic-rce-chain.svg" alt="WebLogic RCE 利用链" /> <div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">① 发现 → ② 确认版本 → ③ 开启 T3 → ④ 构造 payload → ⑤ 发送 EXP → ⑥ Shell </span></span></code></pre></td></tr></table> </div> </div><h2 id="二漏洞信息">二、漏洞信息 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span><span class="lnt">4 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">CVE-2020-14882 </span></span><span class="line"><span class="cl">影响：WebLogic 10.3.6 / 12.1.3 / 12.2.1 </span></span><span class="line"><span class="cl">模块：WLS-WSAT（无需登录） </span></span><span class="line"><span class="cl">入口：/wls-wsat/CoordinatorPortType </span></span></code></pre></td></tr></table> </div> </div><h2 id="三利用步骤">三、利用步骤 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">确认版本 → 构造 JNDI 反序列化 payload </span></span><span class="line"><span class="cl">→ 发送至 /wls-wsat/CoordinatorPortType </span></span><span class="line"><span class="cl">→ 反弹 Shell </span></span></code></pre></td></tr></table> </div> </div><h2 id="四防御加固">四、防御加固 </h2><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt">1 </span><span class="lnt">2 </span><span class="lnt">3 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">升级到 WebLogic 12.2.1.4+ </span></span><span class="line"><span class="cl">关闭 T3 协议 </span></span><span class="line"><span class="cl">WAF 拦截 /wls-wsat/ 路径 </span></span></code></pre></td></tr></table> </div> </div><h2 id="五小结">五、小结 </h2><p>CVE-2020-14882 是 WebLogic 最危险的漏洞之一（无需登录即可 RCE）。防御核心是<strong>升级补丁 + 关闭 T3</strong>。</p>