CVE-2020-10148 SolarWinds Orion API Auth Bypass

testcritical
log source: webserverauthor Bhabesh Raj, Tim Sheltondate 2020-12-27
01

description

What this is, in brief.

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

02

tags

attack.initial-accessattack.t1190cve.2020-10148detection.emerging-threats
03

rule source (YAML)

title: CVE-2020-10148 SolarWinds Orion API Auth Bypass
id: 5a35116f-43bc-4901-b62d-ef131f42a9af
status: test
description: Detects CVE-2020-10148 SolarWinds Orion API authentication bypass attempts
references:
    - https://kb.cert.org/vuls/id/843464
author: Bhabesh Raj, Tim Shelton
date: 2020-12-27
modified: 2023-01-02
tags:
    - attack.initial-access
    - attack.t1190
    - cve.2020-10148
    - detection.emerging-threats
logsource:
    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_*
falsepositives:
    - Unknown
level: critical
04

detects techniques (1)

ATT&CK techniques this enables or maps to.

05

references

External citations — patches, advisories, analysis.