CVE-2020-7796

CRITICAL9.8Published on February 18, 2020

Zimbra Collaboration Suite (ZCS) before 8.8.15 Patch 7 allows SSRF when WebEx zimlet is installed and zimlet JSP is enabled.

Actively exploited

  • In the CISA exploited-vulnerabilities catalogue since Feb 17, 2026
  • US federal agencies must remediate it by Mar 10, 2026 (BOD 22-01)
  • First attack observed 1392 days after disclosure
  • Confirmed by sensors, not only by reports

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Source: CISA KEV · Aug 19, 2026 Aug 18, 2026 Aug 16, 2026 Aug 14, 2026 Aug 12, 2026 Aug 10, 2026

CVSS score9.8 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)CWE-918, CWE-918
Vendorssynacor

Affected products

VendorsProdottoVersioni
synacorzimbra collaboration suite< 8.8.15

Related articles

This product uses the NVD API but is not endorsed or certified by the NVD.

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