SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-3811

An XML External Entity vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to have read access to part of the information stored in the affected system.

MEDIUM 6.5EPSS 1.43%

Does this matter?

Lower severity and a low EPSS score (1.43%). Track it; it rarely justifies an emergency change on its own.

Description

An XML External Entity vulnerability in Cisco WebEx Meetings Server could allow an authenticated, remote attacker to have read access to part of the information stored in the affected system. More Information: CSCvc39165. Known Affected Releases: 2.6. Known Fixed Releases: 2.7.1.2054.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS
1.43% probability · 73th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-611
Affected
cisco/webex meetings server
Source
psirt@cisco.com
EPSS trend
0%3%5%27 October 2026: 1.43%27 October 202627 October 2026

EPSS 1.4% 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.