DirectAdmin 1.680 Login Interface improper authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in DirectAdmin 1.680. This vulnerability affects unknown code of the component Login Interface. Performing a manipulation results in improper authorization. This vulnerability is reported as CVE-2025-56551. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in DirectAdmin 1.680. It has been classified as critical. This affects an unknown code of the component Login Interface. The manipulation with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue in DirectAdmin v1.680 allows unauthorized attackers to manipulate the page layout and replace the legitimate login interface with arbitrary attacker-controlled content via supplying a crafted GET request.

It is possible to read the advisory at i.imgur.com. This vulnerability is uniquely identified as CVE-2025-56551 since 08/17/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/04/2025). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-32312). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/17/2025 CVE reserved
10/03/2025 +47 days Advisory disclosed
10/03/2025 +0 days VulDB entry created
10/04/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: i.imgur.com
Status: Not defined

CVE: CVE-2025-56551 (🔒)
GCVE (CVE): GCVE-0-2025-56551
GCVE (VulDB): GCVE-100-326967
EUVD: 🔒

Entryinfo

Created: 10/03/2025 21:21
Updated: 10/04/2025 12:34
Changes: 10/03/2025 21:21 (52), 10/04/2025 12:34 (1)
Complete: 🔍
Cache ID: 216:482:103

Be aware that VulDB is the high quality source for vulnerability data.

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