CVE-2019-9670

Exploitation

Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-01-10. Federal remediation due 2022-07-10.

SSVC decision

• ExploitationactiveCISA reports credible evidence of active exploitation.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

99.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-05-29 21:04Z7 YR AGO

Last updated

2025-10-21 23:45Z1 YR AGO

Reserved

2019-03-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

f2167e91ef53edb828a2597b620f96962f0c3ee835e5ef58fc6b8df38d12c6b1

• wiki.zimbra.comhttps://wiki.zimbra.com/wiki/Zimbra_Security_Advisoriesx_refsource_MISC
• bugzilla.zimbra.comhttps://bugzilla.zimbra.com/show_bug.cgi?id=109129x_refsource_MISC
• www.rapid7.comhttp://www.rapid7.com/db/modules/exploit/linux/http/zimbra_xxe_rcex_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/152487/Zimbra-Collaboration-Autodiscover-Servlet-XXE-ProxyServlet-SSRF.htmlx_refsource_MISC
• www.exploit-db.com46693https://www.exploit-db.com/exploits/46693/exploitx_refsource_EXPLOIT-DB
• isc.sans.eduhttps://isc.sans.edu/forums/diary/CVE20199670+Zimbra+Collaboration+Suite+XXE+vulnerability/27570/x_refsource_MISC
• www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-9670government-resource