Security readout for executives and security teams
Plain-English summary
This CVE describes several XSS flaws in Proxmox Mail Gateway before hotfix 4.0-8-097d26a9. An attacker could inject script or HTML into gateway web pages, potentially abusing a user’s browser session. The sources do not provide CVSS, exploit activity, or detailed prerequisites.
Executive priority
Prioritize remediation where Proxmox Mail Gateway is internet-reachable or heavily used by administrators. The business risk is session abuse or UI manipulation, but urgency is moderated by missing severity, prerequisite, and exploitation evidence.
Technical view
Multiple Proxmox Mail Gateway web UI endpoints allowed arbitrary web script or HTML injection through parameters tied to users, quarantine spam/virus management, queues, SSH settings, and domain queue views. The record names versions before hotfix 4.0-8-097d26a9 but does not state authentication requirements or impact scope.
Likely exposure
Organizations running Proxmox Mail Gateway versions earlier than hotfix 4.0-8-097d26a9 may be exposed, especially where the web interface is reachable by administrators or mail operations staff.
Exploitation context
The provided sources describe remote XSS but do not cite public exploitation, CISA KEV listing, exploit code, or attacker campaigns. Treat exploitation status as unconfirmed.
Researcher notes
The CVE record lists multiple affected paths: users, spam and virus quarantine management, mail queues, SSH settings, and domain queue views. The affected CPE data is not populated, so validation depends on product/version evidence and vendor advisory details.
Mitigation direction
- Identify any Proxmox Mail Gateway instances and their hotfix level.
- Upgrade to hotfix 4.0-8-097d26a9 or later if affected.
- Check Proxmox or Trustwave guidance for any additional vendor-specific steps.
- Restrict web interface access to trusted administrative networks where possible.
- Review logs for unusual web UI activity around affected paths.
Validation and detection
- Confirm the deployed Proxmox Mail Gateway version is not earlier than hotfix 4.0-8-097d26a9.
- Inventory exposure of the Proxmox Mail Gateway web interface.
- Review whether affected routes are reachable by untrusted users.
- Check patch records or package history for the referenced hotfix.
- Document any compensating access controls protecting the web UI.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2015-9057 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.trustwave.com/Resources/Security-Advisories/Advisories/TWSL2015-024/?fid=7431CVE 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.