CVE-2020-10148
KEVSolarWinds Orion Authentication Bypass Vulnerability
Description
SolarWinds Orion API contains an authentication bypass vulnerability that could allow a remote attacker to execute API commands.
The SolarWinds Orion API is vulnerable to an authentication bypass that could allow a remote attacker to execute API commands. This vulnerability could allow a remote attacker to bypass authentication and execute API commands which may result in a compromise of the SolarWinds instance. SolarWinds Orion Platform versions 2019.4 HF 5, 2020.2 with no hotfix installed, and 2020.2 HF 1 are affected.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HPublishedDec 29, 2020
Last modifiedJun 17, 2026
Added to KEVNov 3, 2021
Remediation dueMay 3, 2022
References
- kb.cert.org/vuls/id/843464Third Party AdvisoryUS Government Resource
- solarwinds.com/securityadvisoryVendor Advisory
- kb.cert.org/vuls/id/843464Third Party AdvisoryUS Government Resource
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-10148US Government Resource
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88
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1637 days
- CVSS
- 9.8 CRITICAL
- EPSS (30-day exploit probability)
- 92.0% · top 1% of all CVEs
- Weakness
- CWE-288
- Attack vector
- Network, remotely reachable
- Preconditions
- No privileges and no user interaction
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.