LiveActive security incident?Get immediate response
CVE Record

CVE-2018-25040: uTorrent Web HTTP RPC Server privileges management

A vulnerability was found in uTorrent Web. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component HTTP RPC Server. The manipulation leads to privilege escalation. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component.

MediumCVSS 6.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2018-25040 affects uTorrent Web’s HTTP RPC Server. The issue is described as privilege escalation that can be triggered remotely, but user interaction is required. The supplied data does not identify exact affected versions. Business impact is mainly endpoint exposure where uTorrent Web is installed, especially if its local web/RPC service is reachable beyond intended users.

Executive priority

Handle through endpoint hygiene and software governance rather than emergency response unless uTorrent Web is broadly deployed or exposed. Prioritize inventory, removal of unauthorized installs, and upgrade verification.

Technical view

The vulnerability is classified as CWE-269 in uTorrent Web’s HTTP RPC Server privileges management. CVSS v3.1 is 6.3: network attack vector, low complexity, no privileges required, user interaction required, with low confidentiality, integrity, and availability impact. Affected version data is incomplete, listed only as n/a.

Likely exposure

Exposure is likely limited to systems running uTorrent Web with its HTTP RPC Server component present. The source bundle does not provide CPEs or exact vulnerable versions, so validation must start with software inventory and vendor-version confirmation.

Exploitation context

The public record says exploit details were disclosed and may be used. The source bundle does not show CISA KEV listing or confirm active exploitation. Treat it as publicly known but not source-confirmed as actively exploited.

Researcher notes

Key gaps are exact affected versions, fixed build details, and live exploitation evidence. Project Zero and media references indicate public disclosure context, while VulDB/CVE metadata provide the CWE, CVSS, and affected product framing.

Mitigation direction

  • Upgrade uTorrent Web or the affected component per vendor guidance.
  • Check vendor release notes because no fixed version is named here.
  • Remove or disable unauthorized uTorrent Web installations.
  • Limit RPC service exposure to trusted local access where operationally possible.
  • Track unresolved instances as exceptions with owner and review date.

Validation and detection

  • Inventory managed endpoints for uTorrent Web installations.
  • Identify whether the HTTP RPC Server component is enabled.
  • Confirm installed builds against vendor guidance or release notes.
  • Check whether the RPC service is reachable from untrusted networks.
  • Document affected-version uncertainty where version evidence is unavailable.
Prepared
Confidence
medium
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-269: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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
description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-25040 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
6.3 (3.1)
Known Exploited
No
Published

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

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
4Source 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
6.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2018-25040Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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

Products and packages named in the record

VendorProductVersion / packageStatus
uTorrentWebn/aListed
Weakness

CWE details

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

CWE-269 · source CWE mapping

Improper Privilege Management

Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.