CVE-2020-10148
CriticalExploitedPublic exploitThe SolarWinds Orion API is vulnerable to an authentication bypass that could allow a remote attacker to execute API commands.
Published Feb 4, 2021 · Updated Oct 21, 2025 · Also known as TR-21-0061, TR-21-0100
Key Facts
Patch immediately- CVE-2020-10148 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Orion Platform (Solarwinds).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 29, 2021. Public exploit code is available.
- EPSS estimates a 92% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
92%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| Industry KEV feed | Apr 29, 2021 | May 3, 2022 | Not reported |
| CIRCL KEV | Nov 3, 2021 | May 3, 2022 | Not reported |
| ENISA EUVD | Nov 3, 2021 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Orion PlatformSolarwinds | 2019.4-hotfix5, 2020.2, 2020.2.1-hotfix1, >= 2019.4 HF 5 | n/a |
Timeline
Publicly disclosed
Feb 4, 2021
Added to Industry KEV feed
Apr 29, 2021
Added to CISA KEV
Nov 3, 2021
Added to CIRCL KEV
Nov 3, 2021
Added to ENISA EUVD
Nov 3, 2021
Last updated
Oct 21, 2025
Weakness Type
- CWE-288 Authentication Bypass Using an Alternate Path or Channel
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://docs.microsoft.com/en-us/previous-versions/windows/desktop/msmq/ms711472(v=vs.85)
- advisoryhttps://documentation.solarwinds.com/en/Success_Center/orionplatform/content/release_notes/orion_platform_2020-2-4_release_notes.htm
- advisoryVU#843464
- advisoryhttps://thehackernews.com/2021/01/heres-how-solarwinds-hackers-stayed.html
- advisoryhttps://thehackernews.com/2021/02/3-new-severe-security-vulnerabilities.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+TheHackersNews+%28The+Hackers+News+-+Cyber+Security+Blog%29
FAQ
Common Questions.
The SolarWinds Orion API is vulnerable to an authentication bypass that could allow a remote attacker to execute API commands.
Affected: Orion Platform (Solarwinds) versions 2019.4-hotfix5, 2020.2, 2020.2.1-hotfix1, >= 2019.4 HF 5. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 29, 2021.
Yes. It was added on Nov 3, 2021 with a federal remediation due date of May 3, 2022.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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