Security readout for executives and security teams
Plain-English summary
This CVE describes a cross-site scripting issue in older IceWarp Webclient versions. An attacker could potentially cause malicious script to run in a user's browser through a crafted webmail request. The source bundle does not provide a CVSS score, confirmed exploit activity, or detailed vendor remediation notes.
Executive priority
Treat this as a targeted legacy-webmail risk, not a confirmed emergency. Prioritize if IceWarp Webclient is internet-facing or handles sensitive mailbox access, because XSS can support credential theft or session abuse.
Technical view
IceWarp Webclient before 10.2.1 is reported vulnerable to non-persistent XSS via an HTTP POST request to webmail/basic/ using the _dlg[captcha][controller] parameter. The CVE description specifically names versions 10.1.3 and 10.2.0 as non-persistent XSS cases. Evidence is sparse beyond the CVE record and advisory references.
Likely exposure
Exposure is most likely where IceWarp Webclient versions before 10.2.1 remain deployed, especially internet-facing webmail portals. The bundle has incomplete affected-product metadata, so asset validation is required.
Exploitation context
The source bundle does not state active exploitation, and KEV is false. The issue is reflected XSS, so realistic impact likely depends on a victim interacting with attacker-influenced content or a crafted request path.
Researcher notes
The available evidence identifies route, parameter, affected version boundary, and non-persistent XSS behavior, but lacks CVSS, CWE, exploit telemetry, and complete CPE data. Avoid expanding affected scope beyond IceWarp Webclient before 10.2.1.
Mitigation direction
- Inventory IceWarp Webclient deployments and confirm exact versions.
- Prioritize upgrading deployments before 10.2.1 to 10.2.1 or later.
- Check current IceWarp vendor guidance for supported remediation.
- Restrict external access to legacy webmail during remediation.
- Retire unsupported IceWarp Webclient versions where upgrade is not feasible.
Validation and detection
- Confirm whether any IceWarp Webclient instance is below version 10.2.1.
- Identify internet-facing webmail/basic/ exposure in asset records.
- Review webmail logs for unusual POST activity to affected paths.
- Verify remediation by confirming upgraded version state.
- Document any compensating access controls around legacy webmail.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CVE-2010-5337 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.gosecurity.ch/component/content/article/12-services/gosecuritynews/fachartikel/169-gosecurity-advisory-2010120602CVE reference · x_refsource_MISC
- https://vuldb.com/?id.142993CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.