Synacor Zimbra Collaboration up to 8.6.x

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Synacor Zimbra Collaboration up to 8.6.x. This affects an unknown function. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2016-4019. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synacor Zimbra Collaboration up to 8.6.x (Groupware Software) and classified as critical. Impacted is integrity. The summary by CVE is:

Unspecified vulnerability in Zimbra Collaboration before 8.7.0 allows remote attackers to affect integrity via unknown vectors, aka bug 104477.

The bug was discovered 01/08/2017. The weakness was disclosed 01/18/2017 as Bug 104477 (Website). The advisory is shared at wiki.zimbra.com. The identification of this vulnerability is CVE-2016-4019 since 04/14/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 8.7.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95922†). The entries VDB-90976, VDB-95470, VDB-95471 and VDB-95472 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Zimbra Collaboration 8.7.0

Timelineinfo

04/14/2016 🔍
01/08/2017 +269 days 🔍
01/18/2017 +10 days 🔍
01/18/2017 +0 days 🔍
01/19/2017 +1 days 🔍
02/01/2017 +13 days 🔍
05/13/2026 +3388 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: Bug 104477
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4019 (🔍)
GCVE (CVE): GCVE-0-2016-4019
GCVE (VulDB): GCVE-100-95477
SecurityFocus: 95922 - Zimbra Collaboration Suite CVE-2016-4019 Unspecified Security Vulnerability

See also: 🔍

Entryinfo

Created: 01/19/2017 09:40
Updated: 05/13/2026 18:52
Changes: 01/19/2017 09:40 (61), 02/03/2020 20:09 (5), 05/13/2026 18:52 (17)
Complete: 🔍
Cache ID: 216::103

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