Unprotected Transport of Credentials (HSTS) Vulnerability
Priority LOW 30CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00365 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| SolarWinds | Engineer's Toolset | 2022.3 and previous versions | — | No fix listed | CNA |
- Engineer's Toolset VendorSolarWinds Affected 2022.3 and previous versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:solarwinds:engineer\'s_toolset:2020.2.6:hotfix_4:*:*:*:*:*:* | 2020.2.6 hotfix_4 | Vulnerable | SolarWinds |
- cpe:2.3:a:solarwinds:engineer\'s_toolset:2020.2.6:hotfix_4:*:*:*:*:*:* Versions 2020.2.6 hotfix_4 Vulnerable ·SolarWinds
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-35246
- 2026-10-03 Alias added: GHSA-855x-qr5w-6pwv
References
Sources
- CVE-2021-35246 · CVE Program
- CVE-2021-35246 · NVD
- FIRST EPSS
- GHSA-855x-qr5w-6pwv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences