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9.6
CVSSv3

CVE-2020-26574

Published: 06/10/2020 Updated: 11/04/2024
CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6
CVSS v3 Base Score: 9.6 | Impact Score: 6 | Exploitability Score: 2.8
VMScore: 828
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
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Vulnerability Summary

Leostream Connection Broker 8.2.x is affected by stored XSS. An unauthenticated attacker can inject arbitrary JavaScript code via the webquery.pl User-Agent HTTP header. It is rendered by the admins the next time they log in. The JavaScript injected can be used to force the admin to upload a malicious Perl script that will be executed as root via libMisc::browser_client. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Vulnerability Trend

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leostream connection broker

Vendor Advisories

Check Point Security Alerts: Cross-Site Scripting Over HTTP Headers (CVE-2004-0705; CVE-2005-2869; CVE-2006-4747; CVE-2010-4841; CVE-2016-6285; CVE-2020-20285; CVE-2020-25786; CVE-2020-26574; CVE-2020-35592; CVE-2020-9016; CVE-2021-37216; CVE-2022-35416; CVE-2023-1861; CVE-2023-41642)
Check Point Reference: CPAI-2023-0799 Date Published: 17 Oct 2023 Severity: Critical ...

References

CWE-79https://adepts.of0x.cc/leostream-xss-to-rce/https://www.leostream.com/resources/product-lifecycle/https://nvd.nist.govhttps://advisories.checkpoint.com/defense/advisories/public/2023/cpai-2023-0799.html
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
encryptionCVE-2024-4331CVE-2024-26925arbitrary codeCVE-2006-4304CVE-2024-25458CVE-2024-27077reflected XSSCVE-2024-4059
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