XXE in Zimbra Collaboration
CVE-2020-35123
In Zimbra Collaboration Suite Network Edition versions < 9.0.0 P10 and 8.8.15 P17, there exists an XXE vulnerability in the saml consumer store extension, which is vulnerable to XXE attacks. This has been fixed in Zimbra Collaboration Suite Network edition 9.0.0 Patch 10 and 8.8.15 Patch 17.
Vulnerability class: XXE (XML External Entity)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000
Affected products
- Zimbra Collaboration — versions 8.8.15, 9.0.0
Weakness classification (CWE)
References
- wiki.zimbra.com/wiki/Security_Center (Product)
- wiki.zimbra.com/wiki/Zimbra_Security_Advisories (Vendor Advisory)
- wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P10 (Third Party Advisory, Vendor Advisory)
- wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P17 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-35123?
- CVE-2020-35123 is a medium-severity vulnerability in Zimbra Collaboration, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 6.5/10. Published 2020-12-17.
- How severe is CVE-2020-35123?
- Medium severity. CVSS v3 base score is 6.5 out of 10.