Synacor — security advisories

22 advisories18 exploitedlatest 2026-08-20⚡ RSS feed

Tracked Synacor products:

Zimbra Collaboration Suite Zimbra Classic Web Client Zimbra Collaboration Zimbra

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[NEW] [high] Synacor Zimbra: Multiple vulnerabilities

criticalCVE-2026-10631 CVE-2026-50054 CVE-2026-50055cert-bund2026-08-20

Multiple vulnerabilities in Synacor Zimbra Collaboration (August 19, 2026)

unknownexploitedCVE-2026-50055 CVE-2026-73570 CVE-2026-10631 CVE-2026-50054cert-fr-avis2026-08-19

[UPDATE] [high] Synacor Zimbra: Multiple vulnerabilities

highCVE-2026-73571 CVE-2026-73572 CVE-2026-73573 CVE-2026-73574cert-bund2026-08-14

[NEW] [high] Synacor Zimbra Classic Web Client: Vulnerability allows cross-site scripting

highcert-bund2026-07-07

Vulnerability in Synacor Zimbra Collaboration (July 7, 2026)

unknowncert-fr-avis2026-07-07

CVE-2025-48700: Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

criticalexploitedCVE-2025-48700cisa-kev2026-04-20

CVE-2025-66376: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability

criticalexploitedCVE-2025-66376cisa-kev2026-03-18

CVE-2020-7796: Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability

criticalexploitedCVE-2020-7796cisa-kev2026-02-17

CVE-2025-68645: Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability

criticalexploitedCVE-2025-68645cisa-kev2026-01-22

CVE-2025-27915: Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

criticalexploitedCVE-2025-27915cisa-kev2025-10-07

CVE-2019-9621: Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability

criticalexploitedCVE-2019-9621cisa-kev2025-07-07

CVE-2023-34192: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

criticalexploitedCVE-2023-34192cisa-kev2025-02-25

CVE-2024-45519: Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability

criticalexploitedCVE-2024-45519cisa-kev2024-10-03

CVE-2023-37580: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

criticalexploitedCVE-2023-37580cisa-kev2023-07-27

CVE-2022-27926: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

criticalexploitedCVE-2022-27926cisa-kev2023-04-03

CVE-2022-41352: Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

criticalexploitedCVE-2022-41352cisa-kev2022-10-20

CVE-2022-37042: Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability

criticalexploitedCVE-2022-37042cisa-kev2022-08-11

CVE-2022-27925: Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability

criticalexploitedCVE-2022-27925cisa-kev2022-08-11

CVE-2022-27924: Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability

criticalexploitedCVE-2022-27924cisa-kev2022-08-04

CVE-2018-6882: Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

criticalexploitedCVE-2018-6882cisa-kev2022-04-19

CVE-2022-24682: Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability

criticalexploitedCVE-2022-24682cisa-kev2022-02-25

CVE-2019-9670: Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference

criticalexploitedCVE-2019-9670cisa-kev2022-01-10