SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5702

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…

EXPLOIT ✓HIGH 8.8EPSS 11.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
11.93% probability · 96th percentile
Public exploits
1 in Exploit-DB · verified · first 11 January 2018
CISA KEV
Not listed
Affected
transmissionbt/transmission · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%8%15%27 October 2026: 11.93%27 October 202627 October 2026

EPSS 11.9% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43665source ↗Transmission - RPC DNS Rebindingmultiple · Google Security Researchremote11 January 2018yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.