VDB-328893 · CVE-2025-11899 · EUVD-2025-34859

Flowring Agentflow 4.0 hard-coded key

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Flowring Agentflow 4.0. It has been classified as critical. This issue affects some unknown processing. Performing a manipulation results in hard-coded key. This vulnerability was named CVE-2025-11899. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Flowring Agentflow 4.0. It has been classified as critical. This affects an unknown code block. The manipulation with an unknown input leads to a hard-coded key vulnerability. CWE is classifying the issue as CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Agentflow developed by Flowring has an Use of Hard-coded Cryptographic Key vulnerability, allowing unauthenticated remote attackers to exploit the fixed key to generate verification information, thereby logging into the system as any user. Attacker must first obtain an user ID in order to exploit this vulnerability.

The advisory is shared at twcert.org.tw. This vulnerability is uniquely identified as CVE-2025-11899 since 10/17/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600.001 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-34859). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Flowring

Name

Agentflow

Version

CPE 2.3info

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CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (twcert): 🔒

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Hard-coded key
CWE: CWE-321 / CWE-320
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/17/2025 Advisory disclosed
10/17/2025 +0 days CVE reserved
10/17/2025 +0 days VulDB entry created
10/17/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: twcert.org.tw
Status: Confirmed

CVE: CVE-2025-11899 (🔒)
GCVE (CVE): GCVE-0-2025-11899
GCVE (VulDB): GCVE-100-328893
EUVD: 🔒

Entryinfo

Created: 10/17/2025 08:01
Updated: 10/17/2025 12:30
Changes: 10/17/2025 08:01 (73), 10/17/2025 12:30 (1)
Complete: 🔍
Cache ID: 216:39A:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.