CVE-2021-35240: medium-severity vulnerability in SolarWinds Orion Platform
Stored XSS via Help Server settings
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.5epss 1.1%
A security researcher stored XSS via a Help Server setting. This affects customers using Internet Explorer, because they do not support 'rel=noopener'.
CVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:C/C:H/I:L/A:L
Affected products
SolarWinds · Orion PlatformRelated CVEs — SolarWinds Orion Platform
In the same product, most dangerous first.
CVE-2020-10148CRITICALSolarWinds Orion API is vulnerable to an authentication bypass that could allow a remote attacker to execute API commandsEPSS 92.0%KEVCVE-2020-27871HIGHCVE-2020-27871EPSS 90.8%CVE-2022-36958HIGHSolarWinds Platform Deserialization of Untrusted DataEPSS 81.9%CVE-2022-36961HIGHOrion Platform SQL Injection Privilege Escalation VulnerabilityEPSS 74.3%CVE-2021-35217HIGHInsecure Deserialization of untrusted data causing Remote code execution vulnerability.EPSS 72.8%CVE-2021-35215HIGHActionPluginBaseView Deserialization of Untrusted Data RCEEPSS 69.9%
References
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmhttps://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Stored-XSS-via-Help-Server-setting-CVE-2021-35240?language=en_UShttps://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_UShttps://www.solarwinds.com/trust-center/security-advisories/cve-2021-35240