SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-14143

The getUserzoneCookie function in Kaltura before 13.2.0 uses a hardcoded cookie secret to validate cookie signatures, which allows remote attackers to bypass an intended protection mechanism and consequently conduct PHP object injection attacks and…

EXPLOIT ×2 ✓CRITICAL 9.8EPSS 77.4%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 77.4%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

The getUserzoneCookie function in Kaltura before 13.2.0 uses a hardcoded cookie secret to validate cookie signatures, which allows remote attackers to bypass an intended protection mechanism and consequently conduct PHP object injection attacks and execute arbitrary PHP code via a crafted userzone cookie.

CVSS 3.0
9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
77.42% probability · 100th percentile
Public exploits
2 in Exploit-DB · verified · first 23 October 2017
CISA KEV
Not listed
Weakness
CWE-798
Affected
kaltura/kaltura server
Source
cve@mitre.org
EPSS trend
0%40%80%21 September 2026: 70.86%22 September 2026: 77.42%27 October 2026: 77.42%21 September 202627 October 2026

EPSS moved from 70.9% on 21 September 2026 to 77.4% 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 (2)

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-43876source ↗Kaltura - Remote PHP Code Execution over Cookie (Metasploit)php · Metasploitremote24 January 2018yes
EDB-43028source ↗Kaltura < 13.2.0 - Remote Code Executionphp · Robin Vertonwebapps23 October 2017yes

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