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CVE-2021-46279— Session Fixation and Insufficient Session Expiration

Quick assessment

Affected
Lanner Inc IAC-AST2500A
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.

Lanner IAC-AST2500A是中国立端（Lanner）公司的一个模块和加速卡。适合 Lanner 网络设备，以支持基于 IPMI 标准的系统运行状况远程管理和监控。 Lanner IAC-AST2500A standard firmware 1.00.0版本存在授权问题漏洞，该漏洞源于攻击者可以利用其会话固定或会话过期时间过长对用户进行会话劫持攻击。

CVSS 5.8 · Medium EPSS 0.43% · P35
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I. Basic Information for CVE-2021-46279

Vulnerability Information
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Vulnerability Title
Session Fixation and Insufficient Session Expiration
Source: CVE Program / CVE List V5
Vulnerability Description
Session fixation and insufficient session expiration vulnerabilities allow an attacker to perfom session hijacking attacks against users. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
会话固定
Source: CVE Program / CVE List V5
Vulnerability Title
Lanner IAC-AST2500A 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lanner IAC-AST2500A是中国立端（Lanner）公司的一个模块和加速卡。适合 Lanner 网络设备，以支持基于 IPMI 标准的系统运行状况远程管理和监控。 Lanner IAC-AST2500A standard firmware 1.00.0版本存在授权问题漏洞，该漏洞源于攻击者可以利用其会话固定或会话过期时间过长对用户进行会话劫持攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Lanner Inc IAC-AST2500A 1.10.0 -

II. Public POCs for CVE-2021-46279

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III. Intelligence Information for CVE-2021-46279

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Security Blog Posts for CVE-2021-46279 (1)

Other References for CVE-2021-46279 (1)

Same Patch Batch · Lanner Inc · 2022-10-24 · 13 CVEs total

CVE-2021-26727 10.0 CRITICAL spx_restservice SubNet_handler_func Multiple Command Injections and Stack-Based Buffer Ove
CVE-2021-26728 10.0 CRITICAL spx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer Overflow
CVE-2021-26729 10.0 CRITICAL spx_restservice Login_handler_func Command Injection and Multiple Stack-Based Buffer Overf
CVE-2021-26730 10.0 CRITICAL spx_restservice Login_handler_func Subfunction Stack-Based Buffer Overflow
CVE-2021-26731 9.1 CRITICAL spx_restservice modifyUserb_func Command Injection and Multiple Stack-Based Buffer Overflo
CVE-2021-26732 6.5 MEDIUM spx_restservice First_network_func Broken Access Control
CVE-2021-44776 6.5 MEDIUM spx_restservice SubNet_handler_func Broken Access Control
CVE-2021-4228 5.8 MEDIUM Hard-coded TLS Certificate
CVE-2021-26733 5.3 MEDIUM spx_restservice FirstReset_handler_func Broken Access Control
CVE-2021-44467 5.3 MEDIUM spx_restservice KillDupUsr_func Broken Access Control
CVE-2021-45925 5.3 MEDIUM Username Enumeration
CVE-2021-44769 4.9 MEDIUM TLS Certificate Generation Function Improper Input Validation

IV. Related Vulnerabilities

Same product: IAC-AST2500A
Same vendor: Lanner Inc
Same weakness: CWE-384

V. Comments for CVE-2021-46279

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