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CVE Record

CVE-2019-25396: IPFire 2.21 Core Update 127 Reflected XSS via updatexlrator.cgi

IPFire 2.21 Core Update 127 contains a reflected cross-site scripting vulnerability in the updatexlrator.cgi script that allows attackers to inject malicious scripts through POST parameters. Attackers can submit crafted requests with script payloads in the MAX_DISK_USAGE or MAX_DOWNLOAD_RATE parameters to execute arbitrary JavaScript in users' browsers.

MediumCVSS 6.1Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

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.
Prepared
Confidence
high
Sources
5

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

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 · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-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
Vulnerability profileCVE Program record
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

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.

1CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.1CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.1Medium
CVSS 3.1 vector shape for CVE-2019-25396Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IpfireIPFireIPFire 2.21 - Core Update 127Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.