TI-2024-22681 Aliases CVE-2024-34340

Authentication Bypass when using using older password hashes

HIGH 72CWE-287Published 2024-05-13 · Updated 2025-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01119 66th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed cacti (Cacti): 1.2.27

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Cacti	cacti	before 1.2.27	1.2.27	Patch available	CNA

cacti VendorCacti Affected before 1.2.27 Fixed in 1.2.27 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:cacti:cacti::::::::	before 1.2.27	Vulnerable	Cacti
cpe:2.3:o:fedoraproject:fedora:39:::::::*	39	Vulnerable	Fedoraproject

cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:* Versions before 1.2.27 Vulnerable ·Cacti
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject

Remediation

Fix · CNA cacti (Cacti) Fixed in 1.2.27

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2024-34340

References

Exploit 1

https://github.com/Cacti/cacti/security/advisories/GHSA-37x7-mfjv-mm7m

Other 1

https://lists.fedoraproject.org/archives/list/[email protected]/message/RBEOAFKRARQHTDIYSL723XAFJ2Q6624X/

TI-2022-22813 Unauthenticated command injection in cacti KEVCVSS 3.1CRITICAL 9.8
TI-2023-20500 Unauthenticated SQL Injection in graph_view.php in Cacti CVSS 3.1CRITICAL 9.8
TI-2024-16869 Cacti RCE vulnerability when importing packages CVSS 3.1CRITICAL 9.1
TI-2024-20809 SQL Injection vulnerability in automation_get_new_graphs_sql CVSS 3.1HIGH 8.8
TI-2023-26750 Cacti SQL Injection vulnerability CVSS 3.1HIGH 8.8
TI-2025-18110 Cacti allows Arbitrary File Creation leading to RCE CVSS 4.0HIGH 8.7

See all 151 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences