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CVE-2021-22155

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry...

8.8 High

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry Workspaces Server (deployed with Appliance-X) version(s) 10.1, 9.1 and earlier could allow an attacker to potentially gain access to the application in the context of the targeted user’s account.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.96%Up 0.5 points since May 13, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry Workspaces Server (deployed with Appliance-X) version(s) 10.1, 9.1 and earlier could allow an attacker to potentially gain access to the application in the context of the targeted user’s account.

Record
CVE-2021-22155
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-287
Updated
2026-11-02
CVE List No score

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry Workspaces Server (deployed with Appliance-X) version(s) 10.1, 9.1 and earlier could allow an attacker to potentially gain access to the application in the context of the targeted user’s account.

Record
CVE-2021-22155
Updated
2026-11-02
EUVDEUVD-2021-9302 No score

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry Workspaces Server (deployed with Appliance-X) version(s) 10.1, 9.1 and earlier could allow an attacker to potentially gain access to the application in the context of the targeted user’s account.

Record
EUVD-2021-9302
Updated
2026-11-03
GitHub AdvisoriesGHSA-h557-xrrh-37xw 8.8

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry...

An Authentication Bypass vulnerability in the SAML Authentication component of BlackBerry Workspaces Server (deployed with Appliance-X) version(s) 10.1, 9.1 and earlier could allow an attacker to potentially gain access to the application in the context of the targeted user’s account.

Record
GHSA-h557-xrrh-37xw
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-863
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-22155 is a high vulnerability (CVSS 8.8) in Blackberry Workspaces Server, published May 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.96%, the 61st percentile. No source names a fixed version.

References

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