CVE-2020-35123

Name: CVE-2020-35123
Creator: NVD / NIST
Published: 2020-12-17T04:15:12.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.48%

Last modified Jun 17, 2026

CVE-2020-35123 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.48%

70.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-611

Affected Software

Vendor	Product	Versions
Zimbra	Collaboration	> 8.8.0, < 8.8.15
Zimbra	Collaboration	8.8.15
Zimbra	Collaboration	9.0.0

References

https://wiki.zimbra.com/wiki/Security_CenterProduct
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P17Release Notes, Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P10Third Party Advisory, Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory
https://wiki.zimbra.com/wiki/Security_CenterProduct
https://wiki.zimbra.com/wiki/Zimbra_Releases/8.8.15/P17Release Notes, Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P10Third Party Advisory, Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_AdvisoriesVendor Advisory

Timeline

Published: Dec 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35123?

How severe is CVE-2020-35123?

CVE-2020-35123 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST