Security readout for executives and security teams
Plain-English summary
CVE-2019-25396 is a reflected cross-site scripting issue in IPFire 2.21 Core Update 127. An attacker could trick a user into submitting a crafted request that runs JavaScript in that user’s browser. Business impact is mainly session compromise, unauthorized actions, or data exposure through the affected web interface.
Executive priority
Treat as a moderate-priority firewall management interface issue. It is not confirmed as actively exploited, but public exploit information and administrator-session impact justify timely validation, access restriction, and vendor-guided updating.
Technical view
The vulnerability is CWE-79 in updatexlrator.cgi. POST parameters MAX_DISK_USAGE and MAX_DOWNLOAD_RATE are reported to reflect attacker-controlled script content. CVSS is 6.1, network exploitable, low complexity, no privileges required, but user interaction is required and impact is limited to confidentiality and integrity.
Likely exposure
Exposure is likely limited to organizations running IPFire 2.21 Core Update 127 with the affected web interface reachable by users or administrators. Internet exposure increases phishing and drive-by risk, but the source bundle does not confirm broad deployment or active scanning.
Exploitation context
A public ExploitDB entry is referenced, so proof-of-concept information exists. The CVE is not marked KEV in the provided data, and no cited source states active exploitation. Successful abuse requires user interaction, such as convincing a user to submit a crafted request.
Researcher notes
The record specifically names IPFire 2.21 Core Update 127 and updatexlrator.cgi. Evidence provided does not identify a fixed version, so avoid assuming a patch level. The bundled download reference appears to be the affected release artifact, not proof of remediation.
Mitigation direction
- Identify any IPFire 2.21 Core Update 127 systems.
- Restrict access to the IPFire web interface to trusted networks.
- Check IPFire vendor guidance for a fixed update or supported upgrade path.
- Prioritize upgrading affected systems if a vendor-supported newer release is available.
- Use phishing-resistant practices for administrators accessing management interfaces.
Validation and detection
- Confirm IPFire version and Core Update level on deployed systems.
- Determine whether updatexlrator.cgi is accessible to users or administrators.
- Review web logs for unusual POST requests to updatexlrator.cgi.
- Verify management interface exposure from internal and external networks.
- Document compensating controls if immediate upgrade is not possible.
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.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-25396 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
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-46344CVE reference · exploit
- IPFire Official WebsiteCVE reference · product
- IPFire 2.21 Core Update 127 DownloadCVE reference · patch
- VulnCheck Advisory: IPFire 2.21 Core Update 127 Reflected XSS via updatexlrator.cgiCVE reference · third-party-advisory
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.
