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CISA KEV by vendor

Synacor vulnerabilities in the CISA KEV catalogue

19 Synacor entries in CISA's Known Exploited Vulnerabilities catalogue, 6 of them (32 percent) known to have been used in ransomware campaigns. First added 10 January 2022, latest 21 August 2026.

Last updated MethodologyDownload all entries (CSV)

By . Published by Sysprobs.

Dinesh has worked in IT for about 20 years across virtualisation, networking and Microsoft platforms. He runs Sysprobs.

Data status: a source is stale

Last synced CISA catalogue version 2026.11.04 (released 4 November 2026) 1,768 entries Updated manually

19entries, 1.1% of the catalogue
6known ransomware use
0added in the last 7 days
0federal due dates in the next 14 days

Products

Synacor products in the catalogue, by number of entries
Product, as CISA names itEntries
Zimbra Collaboration Suite (ZCS)17
Zimbra Collaboration Suite1
Zimbra Collaborate Suite (ZCS)1

Latest additions

The 10 most recent Synacor entries
CVEProductAddedDueRansomwareCVSSEPSSSSVCExposed asset window
CVE-2026-73570Zimbra Collaboration Suite (ZCS)2026-08-212026-08-24Unknown8.9 High71.6%Not auto, total3 days + triage
CVE-2025-48700Zimbra Collaboration Suite (ZCS)2026-04-202026-04-23Unknown6.1 Medium1.7%Not auto, partial14 days
CVE-2025-66376Zimbra Collaboration Suite (ZCS)2026-03-182026-04-01Unknown6.1 Medium20.2%Not auto, partial14 days
CVE-2020-7796Zimbra Collaboration Suite2026-02-172026-03-10Unknown9.8 Critical93.5%Auto, total3 days + triage
CVE-2025-68645Zimbra Collaboration Suite (ZCS)2026-01-222026-02-12Unknown8.8 High48.8%Not auto, total3 days + triage
CVE-2025-27915Zimbra Collaboration Suite (ZCS)2025-10-072025-10-28Unknown5.4 Medium4.0%Not auto, total3 days + triage
CVE-2019-9621Zimbra Collaboration Suite (ZCS)2025-07-072025-07-28Unknown7.5 High81.0%Auto, partial3 days
CVE-2024-27443Zimbra Collaboration Suite (ZCS)2025-05-192025-06-09Unknown6.1 Medium24.6%Not auto, total3 days + triage
CVE-2023-34192Zimbra Collaboration Suite (ZCS)2025-02-252025-03-18Unknown9.0 Critical77.2%Not auto, total3 days + triage
CVE-2024-45519Zimbra Collaboration Suite (ZCS)2024-10-032024-10-24Unknown9.8 Critical99.9%Auto, total3 days + triage

All 19 entries

Every Synacor entry, newest first
CVEProductAddedDueRansomwareCVSSEPSSSSVCExposed asset window
CVE-2026-73570Zimbra Collaboration Suite (ZCS)2026-08-212026-08-24Unknown8.9 High71.6%Not auto, total3 days + triage
CVE-2025-48700Zimbra Collaboration Suite (ZCS)2026-04-202026-04-23Unknown6.1 Medium1.7%Not auto, partial14 days
CVE-2025-66376Zimbra Collaboration Suite (ZCS)2026-03-182026-04-01Unknown6.1 Medium20.2%Not auto, partial14 days
CVE-2020-7796Zimbra Collaboration Suite2026-02-172026-03-10Unknown9.8 Critical93.5%Auto, total3 days + triage
CVE-2025-68645Zimbra Collaboration Suite (ZCS)2026-01-222026-02-12Unknown8.8 High48.8%Not auto, total3 days + triage
CVE-2025-27915Zimbra Collaboration Suite (ZCS)2025-10-072025-10-28Unknown5.4 Medium4.0%Not auto, total3 days + triage
CVE-2019-9621Zimbra Collaboration Suite (ZCS)2025-07-072025-07-28Unknown7.5 High81.0%Auto, partial3 days
CVE-2024-27443Zimbra Collaboration Suite (ZCS)2025-05-192025-06-09Unknown6.1 Medium24.6%Not auto, total3 days + triage
CVE-2023-34192Zimbra Collaboration Suite (ZCS)2025-02-252025-03-18Unknown9.0 Critical77.2%Not auto, total3 days + triage
CVE-2024-45519Zimbra Collaboration Suite (ZCS)2024-10-032024-10-24Unknown9.8 Critical99.9%Auto, total3 days + triage
CVE-2023-37580Zimbra Collaboration Suite (ZCS)2023-07-272023-08-17Unknown6.1 Medium49.0%Not auto, partial14 days
CVE-2022-27926Zimbra Collaboration Suite (ZCS)2023-04-032023-04-24Unknown6.1 Medium17.6%Not auto, partial14 days
CVE-2022-41352Zimbra Collaboration Suite (ZCS)2022-10-202022-11-10Known9.8 Critical95.4%Auto, total3 days + triage
CVE-2022-37042Zimbra Collaboration Suite (ZCS)2022-08-112022-09-01Known9.8 Critical92.0%Auto, total3 days + triage
CVE-2022-27925Zimbra Collaboration Suite (ZCS)2022-08-112022-09-01Known7.2 High98.6%Auto, total3 days + triage
CVE-2022-27924Zimbra Collaboration Suite (ZCS)2022-08-042022-08-25Known7.5 High93.9%Auto, total3 days + triage
CVE-2018-6882Zimbra Collaboration Suite (ZCS)2022-04-192022-05-10Known6.1 Medium29.7%Not auto, total3 days + triage
CVE-2022-24682Zimbra Collaborate Suite (ZCS)2022-02-252022-03-11Known6.1 Medium30.9%Not auto, partial14 days
CVE-2019-9670Zimbra Collaboration Suite (ZCS)2022-01-102022-07-10Unknown9.8 Critical99.9%Auto, total3 days + triage

Due dates bind US federal civilian executive branch agencies only (BOD 26-04). Filter Synacor in the tracker by date, score or status.

Source: CISA Known Exploited Vulnerabilities Catalog; NVD, FIRST EPSS and CISA SSVC for the scores. This product uses data from the NVD API but is not endorsed or certified by the NVD. CISA does not endorse Sysprobs.