CVE-2021-35246: Unprotected Transport of Credentials (HSTS) Vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-23 · updated 2026-06-17
Weakness: CWE-319

Description

The application fails to prevent users from connecting to it over unencrypted connections. An attacker able to modify a legitimate user's network traffic could bypass the application's use of SSL/TLS encryption and use the application as a platform for attacks against its users.

Affected products

SolarWinds Engineer's Toolset: 2020.2.6-hotfix_4

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35246
https://documentation.solarwinds.com/en/success_center/ets/content/release_notes/ets_2022-4_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35246
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35246
https://documentation.solarwinds.com/en/success_center/ets/content/release_notes/ets_2022-4_release_notes.htm
https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35246

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