com.bstek.uflo:uflo-core ExpressionContextImpl code injection

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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in com.bstek.uflo:uflo-core. Affected is the function ExpressionContextImpl. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2022-25894. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in com.bstek.uflo:uflo-core (unknown version). Affected by this issue is the function ExpressionContextImpl. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

All versions of the package com.bstek.uflo:uflo-core are vulnerable to Remote Code Execution (RCE) in the ExpressionContextImpl class via jexl.createExpression(expression).evaluate(context); functionality, due to improper user input validation.

The weakness was published 01/27/2023. The advisory is available at fmyyy1.github.io. This vulnerability is handled as CVE-2022-25894 since 02/24/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/01/2025). This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

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

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Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.8
CNA Vector (Snyk): 🔍

CVSSv2info

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

Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
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

02/24/2022 🔍
01/27/2023 +337 days 🔍
01/27/2023 +0 days 🔍
04/01/2025 +795 days 🔍

Sourcesinfo

Advisory: fmyyy1.github.io
Status: Not defined

CVE: CVE-2022-25894 (🔍)
GCVE (CVE): GCVE-0-2022-25894
GCVE (VulDB): GCVE-100-219350

Entryinfo

Created: 01/27/2023 08:09
Updated: 04/01/2025 23:04
Changes: 01/27/2023 08:09 (45), 04/01/2025 23:04 (28)
Complete: 🔍
Cache ID: 216::103

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