An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• zimbra collaboration10.0.0 and later · before 10.0.8
• zimbra collaboration9.0.0

Other highest-scoring records for the same primary product.

• CVE-2024-27443An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0.KEV
  61This week
• CVE-2024-45518An 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 P
  41Plan
• CVE-2022-32294Zimbra Collaboration Open Source 8.8.15 does not encrypt the initial-login randomly created password (from the "zmprove ca" command).
  40Plan
• CVE-2021-35209An 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
  40Plan
• CVE-2023-29382An 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.
  39Monitor
• CVE-2023-29381An issue in Zimbra Collaboration (ZCS) v.8.8.15 and v.9.0 allows a remote attacker to escalate privileges and obtain sensitive information v
  39Monitor

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1const file = path.join(ROOT, req.query.name);2res.sendFile(file);

1const file = path.resolve(ROOT, req.query.name);2if (!file.startsWith(ROOT + path.sep)) {3  return res.sendStatus(400);4}5res.sendFile(file);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.