Vulnerability in Inverse Sogo
CVE-2021-33054
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.)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Inverse Sogo
- Debian Linux — versions 9.0, 10.0, 11.0
Weakness classification (CWE)
References
- www.sogo.nu/news.html (Product)
- github.com/inverse-inc/sogo/blob/master/CHANGELOG.md (Third Party Advisory, Release Notes)
- blogs.akamai.com/2021/06/sogo-and-packetfence-impacted-by-saml-implementation-v… (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/07/msg00007.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2021/dsa-5029 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-33054?
- CVE-2021-33054 is a high-severity vulnerability in Inverse Sogo, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.5/10. Published 2021-06-04.
- How severe is CVE-2021-33054?
- High severity. CVSS v3 base score is 7.5 out of 10.