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CVE Record

CVE-2010-5334: IceWarp Webclient before 10.2.1 has a directory traversal vulnerability.

IceWarp Webclient before 10.2.1 has a directory traversal vulnerability. This can result in loss of confidential data of IceWarp Mailserver and the operating system. Input passed via a certain parameter (_c to basic/index.html) is not properly sanitised and can therefore be exploited to browse the partition where IceWarp is installed (or the whole system) and read arbitrary files.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Older IceWarp Webclient installations could let a remote user read confidential mailserver or operating system files through a directory traversal flaw. The source bundle names versions before 10.2.1. No active exploitation is cited, but exposure matters because webmail is often internet-facing and file disclosure can reveal credentials, mail data, or configuration.

Executive priority

Prioritize remediation if IceWarp Webclient is internet-facing or stores mailserver credentials locally. Business risk is confidential data exposure rather than service outage. If IceWarp is not present or is already newer than 10.2.1, urgency drops significantly.

Technical view

The flaw is improper sanitisation of input to the _c parameter in basic/index.html. Sources state it can be abused to browse the partition where IceWarp is installed, or potentially the whole system, and read arbitrary files. The bundle does not provide CVSS, CWE, or detailed affected CPE data.

Likely exposure

Organizations running IceWarp Webclient before 10.2.1, especially externally reachable webmail/basic interface deployments, should treat this as potentially exposed. The bundle does not identify specific operating systems, editions, or deployment defaults.

Exploitation context

CISA KEV status is false, and the supplied sources do not confirm active exploitation. Public advisory references exist, so defenders should assume the vulnerability is documented enough for opportunistic probing of legacy exposed systems.

Researcher notes

Evidence is limited: the CVE bundle describes the vulnerable parameter and file-read impact, but lacks CVSS, CWE, CPEs, exploit status, and vendor remediation detail beyond the before-10.2.1 version boundary. Avoid assuming affected platforms beyond IceWarp Webclient.

Mitigation direction

  • Upgrade IceWarp Webclient to 10.2.1 or later where applicable.
  • Check IceWarp/vendor guidance for supported remediation details.
  • Restrict external access to legacy Webclient until remediated.
  • Review web and application logs for traversal-like requests.
  • Rotate credentials if sensitive configuration files may have been exposed.

Validation and detection

  • Inventory IceWarp Webclient versions across internet-facing and internal hosts.
  • Confirm whether basic/index.html is reachable from untrusted networks.
  • Verify remediated systems report version 10.2.1 or later.
  • Review logs around historical exposure periods for suspicious file-read attempts.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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File access behavior lookup

The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2010-5334 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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