CVE-2018-5702

Transmission vulnerability

CVSS

8.8

EPSS

11.9%

EPSS pct

96th

Exploited

No known

Transmission through 2.92 relies on X-Transmission-Session-Id (which is not a forbidden header for Fetch) for access control, which allows remote attackers to execute arbitrary RPC commands, and consequently write to arbitrary files, via POST requests to /transmission/rpc in conjunction with a DNS rebinding attack.

Affected vendor

Transmissionbt

Affected product

Transmission

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Published

2018-01-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 11.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2018-5702

Confirm whether Transmissionbt Transmission is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-5702.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-5702

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-5702 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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