Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Product reference — Zimbra Collaboration Suite (ZCS) by Synacor · sector: Other. Cumulative disclosure record for this product across the archive.
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| All-time | YTD | |
|---|---|---|
| CVEs | 12 | 3 |
| KEV entries | 12 | 3 |
| KEV/100 | Med CVSS | Med EPSS | C | H | M | L |
|---|---|---|---|---|---|---|
| 100.0 | — | .4057 | 0 | 0 | 0 | 0 |
KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.
Trend (by first-seen month, full archive): █▁▁▁▁▁▁▁▁█▁▁▁▁▁█▁▁█▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁█▁▁█▁█▁▁█▁▁█▁██▁▁▁▁
| Month | New CVEs |
|---|---|
| 2025-09 | 0 |
| 2025-10 | 1 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 1 |
| 2026-02 | 0 |
| 2026-03 | 1 |
| 2026-04 | 1 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 0 |
| 2026-08 | 0 |
Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2019-9670 | — | 100.0 | — | YES | 2022-01-10 |
| CVE-2024-45519 | — | 100.0 | — | YES | 2024-10-03 |
| CVE-2022-41352 | — | 99.9 | — | YES | 2022-10-20 |
| CVE-2019-9621 | — | 99.6 | — | YES | 2025-07-07 |
| CVE-2023-34192 | — | 99.5 | — | YES | 2025-02-25 |
| CVE-2023-37580 | — | 98.7 | — | YES | 2023-07-27 |
| CVE-2025-68645 | — | 98.3 | — | YES | 2026-01-22 |
| CVE-2024-27443 | — | 97.6 | — | YES | 2025-05-19 |
| CVE-2025-66376 | — | 97.5 | — | YES | 2026-03-18 |
| CVE-2022-27926 | — | 96.9 | — | YES | 2023-04-03 |
| CVE-2025-27915 | — | 89.5 | — | YES | 2025-10-07 |
| CVE-2025-48700 | — | 76.2 | — | YES | 2026-04-20 |
| CVE | CVSS | EPSS %ile | Severity | KEV | First seen |
|---|---|---|---|---|---|
| CVE-2025-48700 | — | 76.2 | — | YES | 2026-04-20 |
| CVE-2025-66376 | — | 97.5 | — | YES | 2026-03-18 |
| CVE-2025-68645 | — | 98.3 | — | YES | 2026-01-22 |
| CVE-2025-27915 | — | 89.5 | — | YES | 2025-10-07 |
| CVE-2019-9621 | — | 99.6 | — | YES | 2025-07-07 |
| CVE-2024-27443 | — | 97.6 | — | YES | 2025-05-19 |
| CVE-2023-34192 | — | 99.5 | — | YES | 2025-02-25 |
| CVE-2024-45519 | — | 100.0 | — | YES | 2024-10-03 |
| CVE-2023-37580 | — | 98.7 | — | YES | 2023-07-27 |
| CVE-2022-27926 | — | 96.9 | — | YES | 2023-04-03 |
| CVE-2022-41352 | — | 99.9 | — | YES | 2022-10-20 |
| CVE-2019-9670 | — | 100.0 | — | YES | 2022-01-10 |
| CVE | KEV added | CVSS | EPSS %ile | Severity |
|---|---|---|---|---|
| CVE-2025-48700 | 2026-04-20 | — | 76.2 | — |
| CVE-2025-66376 | 2026-03-18 | — | 97.5 | — |
| CVE-2025-68645 | 2026-01-22 | — | 98.3 | — |
| CVE-2025-27915 | 2025-10-07 | — | 89.5 | — |
| CVE-2019-9621 | 2025-07-07 | — | 99.6 | — |
| CVE-2024-27443 | 2025-05-19 | — | 97.6 | — |
| CVE-2023-34192 | 2025-02-25 | — | 99.5 | — |
| CVE-2024-45519 | 2024-10-03 | — | 100.0 | — |
| CVE-2023-37580 | 2023-07-27 | — | 98.7 | — |
| CVE-2022-27926 | 2023-04-03 | — | 96.9 | — |
| CVE-2022-41352 | 2022-10-20 | — | 99.9 | — |
| CVE-2019-9670 | 2022-01-10 | — | 100.0 | — |
Vendor: Synacor — all products and the full vendor record.
A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.
Sources. CVE Program (cvelistV5), NVD (NIST), CISA KEV, FIRST EPSS.