IceWarp Webclient before 10.2.1 has a directory traversal vulnerability.

Affected versions

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

• icewarp webclient10.0 and later · before 10.2.1

Other highest-scoring records for the same primary product.

• CVE-2010-5334IceWarp Webclient before 10.2.1 has a directory traversal vulnerability.
  31Monitor
• CVE-2023-43319Cross Site Scripting (XSS) vulnerability in the Sign-In page of IceWarp WebClient 10.3.5 allows attackers to execute arbitrary web scripts o
  24Monitor
• CVE-2023-39598Cross Site Scripting vulnerability in IceWarp Corporation WebClient v.10.2.1 allows a remote attacker to execute arbitrary code via a crafte
  24Monitor
• CVE-2020-25925Cross Site Scripting (XSS) in Webmail Calender in IceWarp WebClient 10.3.5 allows remote attackers to inject arbitrary web script or HTML vi
  24Monitor
• CVE-2010-5340IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/ with the parameter password is non-persistent in 10.2.0.
  24Monitor
• CVE-2010-5339IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/basic/ with the parameter _dlg[captcha][uid] is non-persistent in
  24Monitor

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.