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Medium Smtp CVEs

2 CVEs, 1 protected by Waratek

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Overview 2 matches · 1 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
2matches 1protected50.0% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 1 50.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 1 50.0%
Critical 0 0.0% High 0 0.0% Medium 2 100.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 1 50.0% partly blocked 0 0.0% not blocked 1 50.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 1 50.0% Forecast only 0 0.0% No public exploit 1 50.0%
split by peak 1 / month
No exploit published: 1Protected by Waratek: 1 Medium: 2 not blocked: 1blocked by ARMR today: 1 No public exploit: 1Proof of concept only: 1
Jul 251 No exploit published1 Medium1 not blocked1 No public exploit1 Aug 250 Sep 250 Oct 251 Protected by Waratek1 Medium1 blocked by ARMR today1 Proof of concept only1
Jul 25Aug 25Sep 25Oct 25
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CVE Severity Published▾ Status Exploitation Description
CVE-2025-59419 Medium 2025-10-15 Protected by Waratek Proof of concept only Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.128.Final and 4.2.7.Final, the SMTP codec in Netty contains an SMTP command injection vulnerability due to insufficient input validation for Carriage Return (\r) and Line Feed (\n) characters in user-supplied parameters. The vulnerability exists in io.netty.handler.codec.smtp.DefaultSmtpRequest, where parameters are directly concatenated into the SMTP command string without sanitization. When methods such as SmtpRequests.rcpt(recipient) are called with a malicious string containing CRLF sequences, attackers can inject arbitrary SMTP commands. Because the injected commands are sent from the server's trusted IP address, resulting emails will likely pass SPF and DKIM authentication checks, making them appear legitimate. This allows remote attackers who can control SMTP command parameters (such as email recipients) to forge arbitrary emails from the trusted server, potentially impersonating executives and forging high-stakes corporate communications. This issue has been patched in versions 4.1.129.Final and 4.2.8.Final. No known workarounds exist.
CVE-2025-7962 Medium 2025-07-21 No exploit published No public exploit In Jakarta Mail versions prior to 2.0.2 it is possible to perform an SMTP Injection by utilizing the \r and \n UTF-8 characters to separate different messages.