Synacor known exploited vulnerabilities
The Beam CVE database tracks 19 known exploited vulnerabilities for Synacor: 6 critical, 5 high and 8 medium severity. The newest is CVE-2026-73570, published Aug 13, 2026.
These are the Synacor vulnerabilities in CISA’s Known Exploited Vulnerabilities catalog: flaws with confirmed exploitation in the wild. Each entry links the vendor bulletin and CISA’s required action.
- Vulnerabilities tracked
- 19
- Critical
- 6
- Known exploited (CISA KEV)
- 19
- Published in the last 30 days
- 0
All entries, newest first
CVE-2026-73570
Zimbra Collaboration Suite (ZCS) OS Command Injection Vulnerability
high8.9ExploitedAug 13, 2026CVE-2025-66376
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting Vulnerability
medium6.1ExploitedJan 5, 2026CVE-2025-68645
Synacor Zimbra Collaboration Suite (ZCS) PHP Remote File Inclusion Vulnerability
high8.8ExploitedDec 22, 2025CVE-2025-48700
Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
medium6.1ExploitedJun 23, 2025CVE-2025-27915
Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
medium5.4ExploitedMar 12, 2025CVE-2024-45519
Synacor Zimbra Collaboration Suite (ZCS) Command Execution Vulnerability
critical9.8ExploitedOct 2, 2024CVE-2024-27443
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
medium6.1ExploitedAug 12, 2024CVE-2023-37580
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
medium6.1ExploitedJul 31, 2023CVE-2023-34192
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
critical9.0ExploitedJul 6, 2023CVE-2022-41352
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
critical9.8ExploitedSep 26, 2022CVE-2022-37042
Synacor Zimbra Collaboration Suite (ZCS) Authentication Bypass Vulnerability
critical9.8ExploitedAug 12, 2022CVE-2022-27924
Synacor Zimbra Collaboration Suite (ZCS) Command Injection Vulnerability
high7.5ExploitedApr 21, 2022CVE-2022-27925
Synacor Zimbra Collaboration Suite (ZCS) Arbitrary File Upload Vulnerability
high7.2ExploitedApr 21, 2022CVE-2022-27926
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
medium6.1ExploitedApr 21, 2022CVE-2022-24682
Synacor Zimbra Collaborate Suite (ZCS) Cross-Site Scripting Vulnerability
medium6.1ExploitedFeb 9, 2022CVE-2020-7796
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability
critical9.8ExploitedFeb 18, 2020CVE-2019-9670
Synacor Zimbra Collaboration Suite (ZCS) Improper Restriction of XML External Entity Reference
critical9.8ExploitedMay 29, 2019CVE-2019-9621
Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery (SSRF) Vulnerability
high7.5ExploitedApr 30, 2019CVE-2018-6882
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
medium6.1ExploitedMar 27, 2018
