Sigma rule: CVE-2020-10148 SolarWinds Orion API Auth Bypass

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b0cde57b74ca, updated 2023-01-02T00:00:00.000Z.

Rule

Title
CVE-2020-10148 SolarWinds Orion API Auth Bypass
Status
test
Level
critical
Author
Bhabesh Raj, Tim Shelton
Date
2020-12-27
Modified
2023-01-02
File
rules-emerging-threats/2020/Exploits/CVE-2020-10148/web_cve_2020_10148_solarwinds_exploit.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects CVE-2020-10148 SolarWinds Orion API authentication bypass attempts

Log source

category
webserver

Detection

selection:
    cs-uri-query|contains:
        - '/WebResource.axd'
        - '/ScriptResource.axd'
        - '/i18n.ashx'
        - '/Skipi18n'
selection2:
    cs-uri-query|contains:
        - '/SolarWinds/'
        - '/api/'
valid_request_1:
    cs-uri-query|contains: 'Orion/Skipi18n/Profiler/'
valid_request_2:
    cs-uri-query|contains:
        - 'css.i18n.ashx'
        - 'js.i18n.ashx'
condition: all of selection* and not 1 of valid_request_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.initial-access
  • attack.t1190
  • cve.2020-10148
  • detection.emerging-threats

CVEs this rule names

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2020/Exploits/CVE-2020-10148/web_cve_2020_10148_solarwinds_exploit.yml

Sources and licences

  • SigmaHQ

    "CVE-2020-10148 SolarWinds Orion API Auth Bypass" by Bhabesh Raj, Tim Shelton (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2020/Exploits/CVE-2020-10148/web_cve_2020_10148_solarwinds_exploit.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: CVE-2020-10148 SolarWinds Orion API Auth Bypass",
entity page, dataset version ref-b0cde57b74ca, updated 2023-01-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/5a35116f-43bc-4901-b62d-ef131f42a9af (accessed 2026-11-03).
Underlying source: SigmaHQ rule 5a35116f-43bc-4901-b62d-ef131f42a9af, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.