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CVE-2026-114421— Empty initial password permits GINA account takeover

Quick assessment

Affected
SEPPmail AG SEPPmail Secure Email Gateway (SEG)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SEPPmail 安全邮件网关 15.1.1 之前的版本存在一个漏洞：对于已创建但尚未注册的 GINA 账户，若其初始密码为空，系统允许执行密码恢复操作，且未对账户所有权进行充分验证。远程未认证的攻击者若识别出此类账户，即可设置新密码、以该账户身份进行认证，并阻止预期接收者使用该账户，直至完成恢复流程。

CVSS 8.3 · High
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I. Basic Information for CVE-2026-114421

Vulnerability Information
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Vulnerability Title
Empty initial password permits GINA account takeover
Source: CVE Program / CVE List V5
Vulnerability Description
SEPPmail Secure Email Gateway before 15.1.1 permits password recovery for a created but unregistered GINA account whose initial password is empty without adequately verifying ownership. A remote unauthenticated attacker who identifies such an account can set a new password, authenticate as that account, and prevent the intended recipient from using it until recovery.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
SEPPmail AG SEPPmail Secure Email Gateway (SEG) 0 ~ 15.1.1 -

II. Public POCs for CVE-2026-114421

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III. Intelligence Information for CVE-2026-114421

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Other References for CVE-2026-114421 (1)

Same Patch Batch · SEPPmail AG · 2026-11-04 · 5 CVEs total

CVE-2026-114424 9.2 CRITICAL Code execution through double evaluation in address replacement rules
CVE-2026-114425 9.2 CRITICAL Forged LFT metadata permits arbitrary file read and deletion
CVE-2026-114426 8.7 HIGH Pre-authentication upload parsing permits resource exhaustion
CVE-2026-114420 6.9 MEDIUM LDAP wildcard injection exposes GINA recipient accounts

IV. Related Vulnerabilities

Same product: SEPPmail Secure Email Gateway (SEG)
Same vendor: SEPPmail AG
Same weakness: CWE-640