CVE-2016-4019: Zimbra Collaboration Suite integrity vulnerability via unknown vectors

CVE-2016-4019 · Severity: high · CVSS 7.5 · Published 2017-01-18

A vulnerability in Zimbra Collaboration Suite, a popular enterprise email and collaboration platform, allows remote attackers to compromise the integrity of the system. This could potentially allow unauthorized modifications to data or system configurations, impacting the reliability of corporate communications. Organizations using versions prior to 8.7.0 are at risk and should upgrade to ensure the security of their email infrastructure.

Technologies: Synacor Zimbra Collaboration Suite, Zimbra Collaboration Suite. Vendors: Synacor, Zimbra.

Quick answers

Is CVE-2016-4019 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2016-4019 being exploited in the wild.
How severe is CVE-2016-4019?
High severity, with a CVSS score of 7.5, published 18 January 2017.
Which products and versions are affected?
Zimbra Collaboration Suite before 8.7.0.
Is there a fix for CVE-2016-4019?
A patch was published on 2016-01-01: Fixed in Zimbra Collaboration 8.7.0 GA release Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2016-4019 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2016-4019?
Check whether you run Synacor Zimbra Collaboration Suite or Zimbra Collaboration Suite at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

An unspecified vulnerability (internally tracked as bug 104477) exists in Zimbra Collaboration Suite versions prior to 8.7.0. The flaw allows remote, unauthenticated attackers to impact the integrity of the system via unknown vectors. Based on the CVSS:3.0 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N), the attack can be carried out over the network with low complexity and requires no special privileges or user interaction. While specific technical details regarding the root cause are not publicly disclosed, the issue is resolved in the 8.7.0 GA release.

Affected products

  • Zimbra Zimbra Collaboration Suite before 8.7.0

Timeline

  • 2016-01-01: patched: Fixed in Zimbra Collaboration 8.7.0 GA release
  • 2017-01-18: disclosed: NVD publication date

References

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