Synacor Zimbra Collaboration Suite up to 8.8.15 Patch 40 Classic Web Client cross site scripting

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 (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Synacor Zimbra Collaboration Suite up to 8.8.15 Patch 40. Impacted is an unknown function of the component Classic Web Client. The manipulation results in cross site scripting. This vulnerability is reported as CVE-2023-37580. The attack can be launched remotely. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Synacor Zimbra Collaboration Suite up to 8.8.15 Patch 40 (Groupware Software). Affected is an unknown part of the component Classic Web Client. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. CVE summarizes:

Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41 allows XSS in the Zimbra Classic Web Client.

The weakness was disclosed 07/31/2023. The advisory is shared for download at wiki.zimbra.com. This vulnerability is traded as CVE-2023-37580 since 07/07/2023. Successful exploitation requires user interaction by the victim. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is declared as attacked. This issue was added on 07/27/2023 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 08/17/2023:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Applying the patch 8.8.15 Patch 4 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (791). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Zero-Day.cz: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 8.8.15 Patch 4

Timelineinfo

07/07/2023 🔍
07/31/2023 +24 days 🔍
07/31/2023 +0 days 🔍
04/24/2025 +633 days 🔍

Sourcesinfo

Vendor: synacor.com

Advisory: wiki.zimbra.com
Status: Confirmed

CVE: CVE-2023-37580 (🔍)
GCVE (CVE): GCVE-0-2023-37580
GCVE (VulDB): GCVE-100-235812
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/31/2023 18:55
Updated: 04/24/2025 19:59
Changes: 07/31/2023 18:55 (40), 08/23/2023 20:24 (11), 04/29/2024 09:54 (26), 06/09/2024 06:54 (2), 09/09/2024 22:30 (2), 01/27/2025 23:42 (1), 02/25/2025 02:42 (4), 04/24/2025 19:59 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you need the next level of professionalism?

Upgrade your account now!