CVE-2021-20850

Published on: 11/24/2021 12:00:00 AM UTC

Last Modified on: 11/29/2021 05:16:00 PM UTC

CVE-2021-20850

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Powercms from Alfasado contain the following vulnerability:

PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.

  • CVE-2021-20850 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo Alfasado Inc. - PowerCMS XMLRPC API version PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, PowerCMS 2 Series (End-of-Life, EOL)

CVSS3 Score: 9.8 - CRITICAL

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.5 - HIGH

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags ⓘ Link
PowerCMS 5.19 / 4.49 / 3.295 向けパッチについて (XMLRPC API における OS コマンド・インジェクションの脆弱性対策) | 新着情報 | PowerCMS - カスタマイズする CMS。 www.powercms.jp
text/html
 URL Logo MISC www.powercms.jp/news/release-patch-xmlrpc-api-202110.html
JVN#17645965: PowerCMS XMLRPC API vulnerable to OS command injection jvn.jp
text/xml
 URL Logo MISC jvn.jp/en/jp/JVN17645965/index.html
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationAlfasadoPowercmsAllAllAllAll
ApplicationAlfasadoPowercmsAllAllAllAll
ApplicationAlfasadoPowercmsAllAllAllAll
ApplicationAlfasadoPowercmsAllAllAllAll
  • cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-20850 : PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and ea… twitter.com/i/web/status/1… 2021-11-24 10:46:08
Twitter Icon @usijoe IT Risk: PowerCMS の XMLRPC API には、OS コマンドインジェクションの脆弱性が存在します 遠隔の第三者によって、任意の OS コマンドを実行される可能性があります。 CVE-2021-20850… twitter.com/i/web/status/1… 2021-11-24 11:04:12
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