CVE-2019-6980

CRITICALNVD 9.89.8—Elevated

9.8

Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 97.4%
KEV: Not listed

Published

May 29, 2019

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://bugzilla.zimbra.com/show_bug.cgi?id=109097
cve@mitrehttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.zimbra.com/show_bug.cgi?id=109097
af854a3a-2127-422b-91ae-364da2661108https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-502Deserialization of Untrusted Data

Data Freshness Timeline

(refreshed 11× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 18:59 UTCEG score recompute
2026-05-27 18:59 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2019-6980?

CVE-2019-6980 is a critical vulnerability published on May 29, 2019. Synacor Zimbra Collaboration Suite 8.7.x through 8.8.11 allows insecure object deserialization in the IMAP component.

When was CVE-2019-6980 disclosed?

CVE-2019-6980 was first published in the National Vulnerability Database on May 29, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-6980 actively exploited?

CVE-2019-6980 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-6980?

CVE-2019-6980 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2019-6980?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-6980, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-6980

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-6980?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)