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CVE-2024-34340— Authentication Bypass when using using older password hashes

Quick assessment

Affected
Cacti cacti
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Cacti是Cacti团队的一套开源的网络流量监测和分析工具。该工具通过snmpget来获取数据，使用RRDtool绘画图形进行分析，并提供数据和用户管理功能。 Cacti 1.2.27之前版本存在安全漏洞，该漏洞源于存在跨站脚本漏洞。

CVSS 9.1 · Critical EPSS 1.12% · P65
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I. Basic Information for CVE-2024-34340

Vulnerability Information
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Vulnerability Title
Authentication Bypass when using using older password hashes
Source: CVE Program / CVE List V5
Vulnerability Description
Cacti provides an operational monitoring and fault management framework. Prior to version 1.2.27, Cacti calls `compat_password_hash` when users set their password. `compat_password_hash` use `password_hash` if there is it, else use `md5`. When verifying password, it calls `compat_password_verify`. In `compat_password_verify`, `password_verify` is called if there is it, else use `md5`. `password_verify` and `password_hash` are supported on PHP < 5.5.0, following PHP manual. The vulnerability is in `compat_password_verify`. Md5-hashed user input is compared with correct password in database by `$md5 == $hash`. It is a loose comparison, not `===`. It is a type juggling vulnerability. Version 1.2.27 contains a patch for the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cacti 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cacti是Cacti团队的一套开源的网络流量监测和分析工具。该工具通过snmpget来获取数据，使用RRDtool绘画图形进行分析，并提供数据和用户管理功能。 Cacti 1.2.27之前版本存在安全漏洞，该漏洞源于存在跨站脚本漏洞。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Cacti cacti < 1.2.27 -

II. Public POCs for CVE-2024-34340

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 13134 chars
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III. Intelligence Information for CVE-2024-34340

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Vendor Advisories for CVE-2024-34340 (1)

Mailing List Discussions for CVE-2024-34340 (1)

Same Patch Batch · Cacti · 2024-05-13 · 12 CVEs total

CVE-2024-29895 10.0 CRITICAL Cacti command injection in cmd_realtime.php
CVE-2024-25641 9.1 CRITICAL Cacti RCE vulnerability when importing packages
CVE-2024-31445 8.8 HIGH SQL Injection vulnerability in automation_get_new_graphs_sql
CVE-2024-31459 8.1 HIGH Cacti RCE vulnerability by file include in lib/plugin.php
CVE-2024-27082 7.6 HIGH Cacti Cross-site Scripting vulnerability when managing trees
CVE-2024-31460 6.5 MEDIUM Cacti SQL Injection vulnerability in lib/api_automation.php caused by reading dirty data s
CVE-2024-30268 6.1 MEDIUM Cacti XSS vulnerability in display_settings
CVE-2024-31443 5.7 MEDIUM Cacti XSS vulnerability in lib/html_tree.php by reading dirty data stored in database
CVE-2024-29894 5.4 MEDIUM Cacti Cross-site Scripting vulnerability when using JavaScript based messaging API
CVE-2024-31458 4.6 MEDIUM Cacti SQL Injection vulnerability in lib/html_form_templates.php by reading dirty data sto
CVE-2024-31444 4.6 MEDIUM Cacti XSS vulnerability in lib/html.php by reading dirty data stored in database

IV. Related Vulnerabilities

Same product: cacti
Same vendor: Cacti
Same weakness: CWE-287

V. Comments for CVE-2024-34340

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