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Vulnerability Intelligence

CVE-2017-14143

CriticalPublic exploit

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…

Published Sep 19, 2017 · Updated Aug 27, 2026

Key Facts

Patch immediately
  • CVE-2017-14143 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Kaltura Server.
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 77% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Kaltura Server mercury-13.1.0.
  • Brandefense priority: patch immediately, because it is very likely to be exploited soon.

CVSS v3.1

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

77%

Higher than 99.5% of all scored CVEs

Exploited in the wild

No known

Not in a known-exploited catalog

Public exploit code

Available

Proof-of-concept or weaponized module

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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.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Kaltura ServerKalturaSee advisorymercury-13.1.0

Patched Releases

Kaltura Server

mercury-13.1.0

Timeline

  1. Publicly disclosed

    Sep 19, 2017

  2. Last updated

    Aug 27, 2026

Weakness Type

  • CWE-798 Use of Hard-coded Credentials

References

3 more references in the full CVE brief

FAQ

Common Questions.

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