Zimbra

13 CVEs across 9 Zimbra products. Browse Zimbra vulnerabilities, severities, and proof-of-concept exploits.

Zimbra products with known CVEs

ProductCVEs
Collaboration50
Collaboration Server6
Zimbra5
Zimbra Collaboration Server2
Zimbra Collaboration Suite2
Collaboration Suite1
Zm-Admin-Ajax1
Zm-Ajax1
Zm-Mailbox1
Zimbra CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2026-73576Medium6.32026-08-13In Zimbra Collaboration (ZCS) before 10.1.17, weak cryptographic key generation vulnerability exists in the OnlyOffice integration. The zimbraDocumentEditingJw…
CVE-2026-73575Low3.12026-08-13In Zimbra Collaboration (ZCS) before 10.1.17, a Cross-Site Request Forgery (CSRF) vulnerability exists in the Exchange Web Services (EWS) endpoint of Zimbra Co…
CVE-2026-73574Low3.12026-08-13In Zimbra Collaboration before 10.1.17, a local file inclusion (LFI) vulnerability exists in the Zimbra Classic Web Client due to improper validation of the fu…
CVE-2026-73573Low3.12026-08-13In Zimbra Collaboration (ZCS) before 10.1.17, a path traversal vulnerability exists in the Zimbra Briefcase document editing functionality due to improper vali…
CVE-2026-73572Medium6.12026-08-13In Zimbra Collaboration (ZCS) before 10.1.17, a stored cross-site scripting (XSS) vulnerability exists in the Zimbra Classic Web Client due to insufficient san…
CVE-2026-73571Low3.12026-08-13An authorization bypass vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.17 due to improper authorization validation in delegated email sending f…
CVE-2026-73570High8.92026-08-13A remote code execution vulnerability exists in Zimbra Collaboration (ZCS) before 10.1.20 when the optional zimbra-snmp package is installed and SNMP notificat…
CVE-2025-66376High7.22026-01-05Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTM…
CVE-2025-67809Medium4.72025-12-15An issue was discovered in Zimbra Collaboration (ZCS) 10.0 and 10.1. A hardcoded Flickr API key and secret are present in the publicly accessible Flickr Zimlet…
CVE-2025-62763Medium5.02025-10-21Zimbra Collaboration (ZCS) before 10.1.12 allows SSRF because of the configuration of the chat proxy.
CVE-2024-45515Medium6.12025-07-30An issue was discovered in Zimbra Collaboration (ZCS) through 10.1. A Cross-Site Scripting (XSS) vulnerability exists in Zimbra webmail due to insufficient val…
CVE-2025-27914Medium5.42025-03-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A Reflected Cross-Site Scripting (XSS) vulnerability exists in the /h/rest endpoin…
CVE-2024-9665Medium6.52024-11-22Zimbra GraphQL Cross-Site Request Forgery Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on…
CVE-2024-45518High8.82024-10-22An issue was discovered in Zimbra Collaboration (ZCS) 10.1.x before 10.1.1, 10.0.x before 10.0.9, 9.0.0 before Patch 41, and 8.8.15 before Patch 46. It allows…
CVE-2024-33536Medium5.42024-08-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability occurs due to inadequate input validation of the res parameter, allowing…
CVE-2024-33535High7.52024-08-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The vulnerability involves unauthenticated local file inclusion (LFI) in a web application…
CVE-2024-33533Medium5.42024-08-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0, issue 1 of 2. A reflected cross-site scripting (XSS) vulnerability has been identified in t…
CVE-2024-27443Medium6.12024-08-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimb…
CVE-2024-27442High7.82024-08-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. The zmmailboxdmgr binary, a component of ZCS, is intended to be executed by the zimbra user…
CVE-2017-20191Low3.52024-03-31A vulnerability was found in Zimbra zm-admin-ajax up to 8.8.1. It has been classified as problematic. This affects the function XFormItem.prototype.setError of…
CVE-2023-50808Medium6.12024-02-13Zimbra Collaboration before Kepler 9.0.0 Patch 38 GA allows DOM-based JavaScript injection in the Modern UI.
CVE-2023-48432Medium6.12024-02-13An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. XSS, with resultant session stealing, can occur via JavaScript code in a link (for…
CVE-2023-45207Medium6.12024-02-13An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. An attacker can send a PDF document through mail that contains malicious JavaScrip…
CVE-2023-45206Medium6.12024-02-13An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15, 9.0, and 10.0. Through the help document endpoint in webmail, an attacker can inject JavaScript o…
CVE-2023-26562Medium6.52024-02-13In Zimbra Collaboration (ZCS) 8.8.15 and 9.0, a closed account (with 2FA and generated passwords) can send e-mail messages when configured for Imap/smtp.
CVE-2017-20188Low2.62024-01-02A vulnerability has been found in Zimbra zm-ajax up to 8.8.1 and classified as problematic. Affected by this vulnerability is the function XFormItem.prototype…
CVE-2023-43103Medium6.12023-12-07An XSS issue was discovered in a web endpoint in Zimbra Collaboration (ZCS) before 10.0.4 via an unsanitized parameter. This is also fixed in 8.8.15 Patch 43 a…
CVE-2023-43102Medium6.12023-12-07An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.4. An XSS issue can be exploited to access the mailbox of an authenticated user. This is also…
CVE-2023-41106High7.52023-12-07An issue was discovered in Zimbra Collaboration (ZCS) before 10.0.3. An attacker can gain access to a Zimbra account. This is also fixed in 9.0.0 Patch 35 and…
CVE-2023-38750High7.52023-07-31In Zimbra Collaboration (ZCS) 8 before 8.8.15 Patch 41, 9 before 9.0.0 Patch 34, and 10 before 10.0.2, internal JSP and XML files can be exposed.
CVE-2023-34193High8.82023-07-06File Upload vulnerability in Zimbra ZCS 8.8.15 allows an authenticated privileged user to execute arbitrary code and obtain sensitive information via the Clien…
CVE-2023-29382Critical9.82023-07-06An issue in Zimbra Collaboration ZCS v.8.8.15 and v.9.0 allows an attacker to execute arbitrary code via the sfdc_preauth.jsp component.
CVE-2023-29381Critical9.82023-07-06An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information via the password and…
CVE-2023-24032High7.82023-06-15In Zimbra Collaboration Suite through 9.0 and 8.8.15, an attacker (who has initial user access to a Zimbra server instance) can execute commands as root by pas…
CVE-2023-24031Medium6.12023-06-15An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 8.8.15. XSS can occur, via one of attributes of the webmail /h/ endpoint, to execute arbitrary Ja…
CVE-2023-24030Medium6.12023-06-15An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0 and 8.8.15. To exploit the vulnerability, an attacker w…
CVE-2022-45913Medium6.12023-01-06An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur via one of attributes in webmail URLs to execute arbitrary JavaScript code, leading to…
CVE-2022-45911Medium6.12023-01-06An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur on the Classic UI login page by injecting arbitrary JavaScript code in the username fi…
CVE-2022-45912High7.22022-12-05An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0. Remote code execution can occur through ClientUploader by an authenticated admin user. An…
CVE-2022-41351Medium6.12022-10-12In Zimbra Collaboration Suite (ZCS) 8.8.15, at the URL /h/calendar, one can trigger XSS by adding JavaScript code to the view parameter and changing the value…
CVE-2022-41350Medium6.12022-10-12In Zimbra Collaboration Suite (ZCS) 8.8.15, /h/search?action=voicemail&action=listen accepts a phone parameter that is vulnerable to Reflected XSS. This allows…
CVE-2022-41349Medium6.12022-10-12In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/compose accepts an attachUrl parameter that is vulnerable to Reflected XSS. This allows executing arb…
CVE-2022-41348Medium6.12022-10-12An issue was discovered in Zimbra Collaboration (ZCS) 9.0. XSS can occur via the onerror attribute of an IMG element, leading to information disclosure.
CVE-2022-41347High7.82022-09-26An issue was discovered in Zimbra Collaboration (ZCS) 8.8.x and 9.x (e.g., 8.8.15). The Sudo configuration permits the zimbra user to execute the NGINX binary…
CVE-2022-37393High7.82022-08-16Zimbra's sudo configuration permits the zimbra user to execute the zmslapd binary as root with arbitrary parameters. As part of its intended functionality, zms…
CVE-2022-37044Medium6.12022-08-12In Zimbra Collaboration Suite (ZCS) 8.8.15, the URL at /h/search?action accepts parameters called extra, title, and onload that are partially sanitised and lea…
CVE-2022-37043Medium5.72022-08-12An issue was discovered in the webmail component in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. When using preauth, CSRF tokens are not checked on some PO…
CVE-2022-37041High7.52022-08-12An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite (ZCS) 8.8.15 and 9.0. The value of the X-Forwarded-Host header…
CVE-2022-32294Critical9.82022-07-11Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly created password (from the "zmprove ca" command). It is visible in cleartex…
CVE-2021-35209Critical9.82021-07-02An issue was discovered in ProxyServlet.java in the /proxy servlet in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.x before 9.0.0 Patch 16. The…
CVE-2021-35208Medium5.42021-07-02An issue was discovered in ZmMailMsgView.js in the Calendar Invite component in Zimbra Collaboration Suite 8.8.x before 8.8.15 Patch 23. An attacker could plac…
CVE-2021-35207Medium6.12021-07-02An issue was discovered in Zimbra Collaboration Suite 8.8 before 8.8.15 Patch 23 and 9.0 before 9.0.0 Patch 16. An XSS vulnerability exists in the login compon…
CVE-2021-34807Medium6.12021-07-02An open redirect vulnerability exists in the /preauth Servlet in Zimbra Collaboration Suite through 9.0. To exploit the vulnerability, an attacker would need t…
CVE-2020-35123Medium6.52020-12-17In Zimbra Collaboration Suite Network Edition versions < 9.0.0 P10 and 8.8.15 P17, there exists an XXE vulnerability in the saml consumer store extension, whic…
CVE-2020-11737Medium6.12020-05-05A cross-site scripting (XSS) vulnerability in Web Client in Zimbra 9.0 allows a remote attacker to craft links in an E-Mail message or calendar invite to execu…
CVE-2020-10194Medium6.52020-03-20cs/service/account/AutoCompleteGal.java in Zimbra zm-mailbox before 8.8.15.p8 allows authenticated users to request any GAL account. This differs from the inte…
CVE-2013-1938Medium6.12020-02-12Zimbra 2013 has XSS in aspell.php
CVE-2019-8947Medium6.12020-01-27Zimbra Collaboration 8.7.x - 8.8.11P2 contains non-persistent XSS.
CVE-2019-8946Medium6.12020-01-27Zimbra Collaboration 8.7.x - 8.8.11P2 contains persistent XSS.
CVE-2019-8945Medium6.12020-01-27Zimbra Collaboration 8.7.x - 8.8.11P2 contains persistent XSS.
CVE-2019-15313Medium6.12020-01-27In Zimbra Collaboration before 8.8.15 Patch 1, there is a non-persistent XSS vulnerability.
CVE-2019-12427Medium4.82020-01-27Zimbra Collaboration before 8.8.15 Patch 1 is vulnerable to a non-persistent XSS via the Admin Console.
CVE-2018-10939Medium6.12018-05-30Zimbra Web Client (ZWC) in Zimbra Collaboration Suite 8.8 before 8.8.8.Patch4 and 8.7 before 8.7.11.Patch4 has Persistent XSS via a contact group.
CVE-2015-7610High8.82018-05-30Cross-site request forgery (CSRF) vulnerability in the login form in Zimbra Collaboration Suite (aka ZCS) before 8.6.0 Patch 10, 8.7.x before 8.7.11 Patch 2, a…
CVE-2016-5721Medium6.12016-08-29Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration before 8.7.0 allow remote attackers to inject arbitrary web script or HTML via unsp…
CVE-2015-6541High8.82016-04-08Multiple cross-site request forgery (CSRF) vulnerabilities in the Mail interface in Zimbra Collaboration Server (ZCS) before 8.5 allow remote attackers to hija…
CVE-2013-72172013-12-26Unspecified vulnerability in Zimbra Collaboration Server 7.2.5 and earlier, and 8.0.x through 8.0.5, has "critical" impact and unspecified vectors, a different…
CVE-2012-12132012-02-24Cross-site scripting (XSS) vulnerability in zimbra/h/calendar in Zimbra Web Client in Zimbra Collaboration Suite (ZCS) 6.x before 6.0.15 and 7.x before 7.1.3 a…
CVE-2008-12262008-03-10Multiple cross-site scripting (XSS) vulnerabilities in Zimbra Collaboration Suite (ZCS) 4.0.3, 4.5.6, and possibly other versions before 4.5.10 allow remote at…