CVE-2021-33054
Publication date 4 June 2021
Last updated 11 July 2025
Ubuntu priority
Cvss 3 Severity Score
Description
SOGo 2.x before 2.4.1 and 3.x through 5.x before 5.1.1 does not validate the signatures of any SAML assertions it receives. Any actor with network access to the deployment could impersonate users when SAML is the authentication method. (Only versions after 2.0.5a are affected.)
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| sogo | 25.10 questing |
Needs evaluation
|
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy |
Needs evaluation
|
|
| 20.04 LTS focal |
Needs evaluation
|
|
| 18.04 LTS bionic |
Needs evaluation
|
|
| 16.04 LTS xenial |
Needs evaluation
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
References
Other references
- https://www.sogo.nu/news/2021/saml-vulnerability.html
- https://blogs.akamai.com/2021/06/saml-implementation-vulnerability-impacting-some-akamai-services.html
- https://blogs.akamai.com/2021/06/akamai-eaa-impersonation-vulnerability---a-deep-dive.html
- https://blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-vulnerabilities.html
- https://github.com/inverse-inc/sogo/blob/master/CHANGELOG.md
- https://www.sogo.nu/news.html
- https://www.cve.org/CVERecord?id=CVE-2021-33054