Leostream Connection Broker 8.2.x HTTP Header webquery.pl libMisc::browser_client cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.5 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Leostream Connection Broker 8.2.x. Affected is the function libMisc::browser_client of the file webquery.pl of the component HTTP Header Handler. Performing a manipulation results in cross site scripting.
This vulnerability is known as CVE-2020-26574. Remote exploitation of the attack is possible. No exploit is available.
It is recommended that the affected component be replaced with an alternative.
Details
A vulnerability classified as problematic has been found in Leostream Connection Broker 8.2.x. This affects the function libMisc::browser_client of the file webquery.pl of the component HTTP Header Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.
The weakness was published 10/07/2020. It is possible to read the advisory at adepts.of0x.cc. This vulnerability is uniquely identified as CVE-2020-26574. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.
The problem might be mitigated by replacing the product with as an alternative.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
Support
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.6
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: AlternativeStatus: 🔍
0-Day Time: 🔍
Timeline
10/06/2020 🔍10/07/2020 🔍
10/07/2020 🔍
05/05/2025 🔍
Sources
Advisory: adepts.of0x.ccStatus: Not defined
CVE: CVE-2020-26574 (🔍)
GCVE (CVE): GCVE-0-2020-26574
GCVE (VulDB): GCVE-100-162315
Entry
Created: 10/07/2020 07:42Updated: 05/05/2025 02:42
Changes: 10/07/2020 07:42 (20), 10/07/2020 07:44 (19), 11/15/2020 10:21 (4), 11/16/2020 21:23 (2), 11/16/2020 21:28 (14), 08/04/2024 19:11 (16), 05/05/2025 02:42 (3)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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