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CVE-2026-66987— HCL AION is affected by multiple security vulnerabilities.

Quick assessment

Affected
HCL Software HCL AION
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.

HCL AION 存在一项漏洞：其账户锁定机制未能对重复的登录失败尝试实施充分限制，导致攻击者能够对用户账户进行大量密码猜测。这可能增加通过暴力破解攻击导致账户被攻破的风险，在特定条件下可能引发非预期行为或造成安全影响。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1110.001 · Password Guessing
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I. Basic Information for CVE-2026-66987

Vulnerability Information
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Vulnerability Title
HCL AION is affected by multiple security vulnerabilities.
Source: CVE Program / CVE List V5
Vulnerability Description
HCL AION is affected by a vulnerability where the account lockout mechanism did not sufficiently restrict repeated failed login attempts, allowing an attacker to make a large number of password guesses against a user account. This may increase the risk of account compromise through brute-force attacks, potentially resulting in unintended behavior or security impact under certain conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCL Software HCL AION Version 2.7.0 -

II. Public POCs for CVE-2026-66987

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-66987

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Other References for CVE-2026-66987 (1)

Same Patch Batch · HCL Software · 2026-11-06 · 22 CVEs total

CVE-2026-66981 6.5 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-21850 6.5 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35110 5.4 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35111 4.8 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35113 4.8 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35102 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35103 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35104 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35105 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35106 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35107 4.7 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35112 4.2 MEDIUM HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35114 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-5345 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-21849 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35109 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-35115 3.7 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-66982 3.3 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-66986 3.3 LOW HCL AION is affected by multiple security vulnerabilities.
CVE-2026-21834 3.1 LOW HCL AION is affected by multiple security vulnerabilities.

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: HCL AION
Same vendor: HCL Software
Same weakness: CWE-307