SolarWinds Orion Authentication Bypass Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
• EPSS: 92% chance of exploitation in the next 30 days (higher than 100% of CVEs)
• Critical severity: CVSS 9.8

[ Description ]Official description

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.

CISA: SolarWinds Orion API contains an authentication bypass vulnerability that could allow a remote attacker to execute API commands.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• kb.cert.org/vuls/id/843464Third Party AdvisoryUS Government Resource
• www.solarwinds.com/securityadvisoryVendor Advisory
• www.kb.cert.org/vuls/id/843464Third Party AdvisoryUS Government Resource
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource