SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-5954

phpFreeChat 1.7 and earlier allows remote attackers to cause a denial of service by sending a large number of connect commands.

EXPLOITHIGH 7.5EPSS 8.93%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 8.9%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

phpFreeChat 1.7 and earlier allows remote attackers to cause a denial of service by sending a large number of connect commands.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
8.93% probability · 95th percentile
Public exploits
1 in Exploit-DB · first 21 January 2018
CISA KEV
Not listed
Weakness
CWE-400
Affected
phpfreechat/phpfreechat
Source
cve@mitre.org
EPSS trend
0%5%10%21 September 2026: 7.50%22 September 2026: 8.93%27 October 2026: 8.93%21 September 202627 October 2026

EPSS moved from 7.5% on 21 September 2026 to 8.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

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-43852source ↗PHPFreeChat 1.7 - Denial of Servicephp · A. Pakbazdos21 January 2018no

References

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