Active Exploitation of SolarWinds Software | CISA Published: 2020-12-14 · Archived: 2026-04-05 14:11:27 UTC An official website of the United States government Due to the lapse in federal funding, this website will not be actively managed.  Read More no-cost Cyber ServicesSecure by design Secure Your BusinessShields UpReport A Cyber Issue  Search Spotlight https://us-cert.cisa.gov/ncas/current-activity/2020/12/13/active-exploitation-solarwinds-software Page 1 of 2 Due to the lapse in federal funding, this website will not be actively managed.  Read More no-cost Cyber ServicesSecure by design Secure Your BusinessShields UpReport A Cyber Issue  Breadcrumb 1. Home 2. News & Events 3. Cybersecurity Advisories 4. Alert 5. Active Exploitation of SolarWinds Software Archived Content In an effort to keep CISA.gov current, the archive contains outdated information that may not reflect current policy or programs. Alert Last Revised December 14, 2020 The Cybersecurity and Infrastructure Security Agency (CISA) is aware of active exploitation of SolarWinds Orion Platform software versions 2019.4 HF 5 through 2020.2.1 HF 1, released between March 2020 and June 2020. CISA encourages affected organizations to read the SolarWinds and FireEye advisories for more information and FireEye’s GitHub page for detection countermeasures: SolarWinds Security Advisory FireEye Advisory: Highly Evasive Attacker Leverages SolarWinds Supply Chain to Compromise Multiple Global Victims With SUNBURST Backdoor FireEye GitHub page: Sunburst Countermeasures  This product is provided subject to this Notification and this Privacy & Use policy. Please share your thoughts We recently updated our anonymous product survey; we welcome your feedback. Source: https://us-cert.cisa.gov/ncas/current-activity/2020/12/13/active-exploitation-solarwinds-software https://us-cert.cisa.gov/ncas/current-activity/2020/12/13/active-exploitation-solarwinds-software Page 2 of 2