CVE-2024-45511

highpriority · track · 0EPSS 0.003 · 23 %ileEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.31% (23rd) EPSS

CVSS 8.3 · high

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · ncsc_nl

EPSS · scored 2026-10-26

An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A reflected Cross-Site Scripting (XSS) issue exists through the Briefcase module due to improper sanitization of file content by the OnlyOffice formatter. This occurs when the victim opens a crafted URL pointing to a shared folder containing a malicious file uploaded by the attacker. The vulnerability allows the attacker to execute arbitrary JavaScript in the context of the victim's session.

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–8.3

v3.18.3highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Lsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondaryexploitability 2.3 · impact 2.7

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79US

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Zimbra Inc. Zimbra Collaboration Suite≤ 10.1.1fstec_bduRU
Zimbra Inc. Zimbra Collaboration Suite≤ 10.0.9fstec_bduRU
synacor zimbra collaboration serverall versionsncsc_nlNLcpe:2.3:a:synacor:zimbra_collaboration_server:*:*:*:*:*:*:*:*
synacor zimbra collaboration suite< 10.0.9nvdUScpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*
synacor zimbra collaboration suite= 10.1.0nvdUScpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

NCSC-2024-0386Kwetsbaarheden verholpen in ZimbraNL2024-10-02csaf · ncsc_nlNL
Synacor heeft kwetsbaarheden verholpen in Zimbra Collaboration.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu ncsc_nl nvd NVD CVE.org MITRE

published 2024-11-20modified 2026-06-17

references (12)

External citations — patches, advisories, analysis.

scry

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