CVE-2021-22506 Micro Focus Micro Focus Access Manager: software flaw
In plain words: A mistake in the software that attackers have found a way to abuse. Depends on the product — see the description and the vendor advisory.
Confirmed exploited by CISA on · US federal patch deadline Nov 17, 2021
What to do
- Install Micro Focus's security update for Micro Focus Access Manager. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Keep a list of every internet-facing server you run so nothing is forgotten.
- Patch anything in this catalog first, ahead of normal patch cycles.
- Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.
The details
- Official name
- Micro Focus Access Manager Information Leakage Vulnerability
- Product
- Micro Focus Micro Focus Access Manager
- CISA description
- Micro Focus Access Manager contains an information leakage vulnerability resulting from a SAML service provider redirection issue when the Assertion Consumer Service URL is used.
- Type of flaw
- Software flaw
- Confirmed exploited
- Nov 3, 2021
- US federal patch deadline
- Nov 17, 2021
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Answering about CVE-2021-22506 ·
Questions about CVE-2021-22506
Is CVE-2021-22506 being exploited?
Yes. CISA added CVE-2021-22506 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2021-22506?
Install Micro Focus's security update for Micro Focus Access Manager. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.
Am I affected by CVE-2021-22506?
Only if you use Micro Focus Micro Focus Access Manager. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.