SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5266

Cobham Sea Tel 121 build 222701 devices allow remote attackers to obtain potentially sensitive information about valid usernames by reading the loginName lines at the js/userLogin.js URI.

HIGH 7.5EPSS 2.02%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Cobham Sea Tel 121 build 222701 devices allow remote attackers to obtain potentially sensitive information about valid usernames by reading the loginName lines at the js/userLogin.js URI. NOTE: default passwords for the standard usernames are listed in the product's documentation: Dealer with password seatel3, SysAdmin with password seatel2, and User with password seatel1.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
2.02% probability · 81th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
cobham/sea tel 121 firmware
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 2.02%27 October 202627 October 2026

EPSS 2.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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