CVE-2017-14143

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictMitigate this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 77%
  • Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 77%CVSS: 9.8Exploit: Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed services: Not assessed

No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.

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 v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
80
EG Risk 80/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation77% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
77%
EPSS %ILE
99th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 19, 2017

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Oct 6, 2026
⚠️ Active exploitation confirmed. No fix on record yet.
generic🔴 Active Exploitation
https://telekomsecurity.github.io/assets/advisories/20170912_kaltura-advisory.txt
generic

CVE-2017-14141 - PSIRT.COM

http://www.securityfocus.com/bid/100976
generic🟡 PoC Available

Kaltura - Remote PHP Code Execution over Cookie (Metasploit) - PHP remote Exploit

https://www.exploit-db.com/exploits/43876/
generic🟡 PoC Available

Kaltura < 13.2.0 - Remote Code Execution - PHP webapps Exploit

https://www.exploit-db.com/exploits/43028/
github_commit

commit 6a6d14328b7a (kaltura/server)

Fix landed in kaltura/server commit 6a6d14328b7a — awaiting tagged release

https://github.com/kaltura/server/commit/6a6d14328b7a1493e8c47f9565461e5f88be20c9#diff-0770640cc76112cbf77bebc604852682

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 15× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-10-10 19:55 UTCEPSS rescore
  2. 2026-10-07 23:41 UTCEPSS rescore
  3. 2026-10-06 15:11 UTCEPSS rescore
  4. 2026-10-04 04:38 UTCOSV refresh
  5. 2026-10-03 14:21 UTCEPSS rescore
  6. 2026-09-30 14:58 UTCEPSS rescore
  7. 2026-09-30 09:27 UTCEG score recompute
  8. 2026-09-26 15:53 UTCEPSS rescore
  9. 2026-09-24 13:59 UTCEPSS rescore
  10. 2026-09-19 15:36 UTCEPSS rescore
  11. 2026-09-18 19:22 UTCEPSS rescore
  12. 2026-09-17 19:22 UTCEPSS rescore
  13. 2026-09-14 19:14 UTCOSV refresh
  14. 2026-09-13 16:42 UTCEPSS rescore
  15. 2026-09-11 09:31 UTCEPSS rescore
  16. 2026-09-10 09:26 UTCEPSS rescore
  17. 2026-09-04 13:56 UTCEPSS rescore
  18. 2026-09-02 14:07 UTCEPSS rescore
  19. 2026-08-30 19:13 UTCEPSS rescore
  20. 2026-08-28 21:36 UTCEPSS rescore
  21. 2026-08-27 14:20 UTCEPSS rescore
  22. 2026-08-26 18:33 UTCOSV refresh
  23. 2026-08-25 13:44 UTCEPSS rescore
  24. 2026-08-24 14:10 UTCEPSS rescore
  25. 2026-08-21 23:44 UTCEPSS rescore
Show 75 more
  1. 2026-08-19 16:59 UTCEPSS rescore
  2. 2026-08-18 13:43 UTCEPSS rescore
  3. 2026-08-17 13:42 UTCEPSS rescore
  4. 2026-08-16 14:51 UTCEPSS rescore
  5. 2026-08-16 02:10 UTCEPSS rescore
  6. 2026-08-13 21:56 UTCEPSS rescore
  7. 2026-08-10 08:40 UTCOSV refresh
  8. 2026-08-07 16:22 UTCEPSS rescore
  9. 2026-08-04 15:05 UTCEPSS rescore
  10. 2026-07-30 16:24 UTCEPSS rescore
  11. 2026-07-26 14:51 UTCEPSS rescore
  12. 2026-07-25 09:11 UTCOSV refresh
  13. 2026-07-23 14:15 UTCEPSS rescore
  14. 2026-07-23 01:27 UTCEG score recompute
  15. 2026-07-22 22:06 UTCEG score recompute
  16. 2026-07-22 14:04 UTCEPSS rescore
  17. 2026-07-21 15:21 UTCEPSS rescore
  18. 2026-07-21 15:21 UTCEPSS rescore
  19. 2026-07-20 17:04 UTCEPSS rescore
  20. 2026-07-20 17:04 UTCEPSS rescore
  21. 2026-07-15 16:54 UTCEPSS rescore
  22. 2026-07-15 16:54 UTCEPSS rescore
  23. 2026-07-13 06:09 UTCEPSS rescore
  24. 2026-07-12 05:43 UTCEPSS rescore
  25. 2026-07-09 19:06 UTCEPSS rescore
  26. 2026-07-08 04:05 UTCOSV refresh
  27. 2026-07-07 13:42 UTCEPSS rescore
  28. 2026-07-04 06:28 UTCEPSS rescore
  29. 2026-07-01 15:02 UTCEPSS rescore
  30. 2026-07-01 15:02 UTCEPSS rescore
  31. 2026-06-28 14:04 UTCEPSS rescore
  32. 2026-06-28 04:53 UTCEPSS rescore
  33. 2026-06-27 03:05 UTCEPSS rescore
  34. 2026-06-25 13:47 UTCEPSS rescore
  35. 2026-06-25 13:47 UTCEPSS rescore
  36. 2026-06-23 21:30 UTCEPSS rescore
  37. 2026-06-21 01:57 UTCEPSS rescore
  38. 2026-06-21 01:57 UTCEPSS rescore
  39. 2026-06-19 15:55 UTCOSV refresh
  40. 2026-06-18 17:50 UTCEPSS rescore
  41. 2026-06-17 17:50 UTCEPSS rescore
  42. 2026-06-16 17:50 UTCEPSS rescore
  43. 2026-06-15 17:45 UTCEPSS rescore
  44. 2026-06-14 23:14 UTCEPSS rescore
  45. 2026-06-14 23:14 UTCEPSS rescore
  46. 2026-06-12 23:09 UTCEPSS rescore
  47. 2026-06-11 13:57 UTCEPSS rescore
  48. 2026-06-10 22:15 UTCEPSS rescore
  49. 2026-06-08 14:14 UTCEPSS rescore
  50. 2026-06-07 15:22 UTCEPSS rescore
  51. 2026-06-07 15:22 UTCEPSS rescore
  52. 2026-06-06 13:45 UTCEPSS rescore
  53. 2026-06-06 13:45 UTCEPSS rescore
  54. 2026-06-05 22:44 UTCEPSS rescore
  55. 2026-06-05 06:08 UTCEPSS rescore
  56. 2026-06-05 06:08 UTCEPSS rescore
  57. 2026-06-01 13:49 UTCEPSS rescore
  58. 2026-06-01 13:49 UTCEPSS rescore
  59. 2026-05-31 00:14 UTCEPSS rescore
  60. 2026-05-30 22:23 UTCOSV refresh
  61. 2026-05-29 13:41 UTCEPSS rescore
  62. 2026-05-26 13:42 UTCEPSS rescore
  63. 2026-05-26 13:42 UTCEPSS rescore
  64. 2026-05-26 07:17 UTCEPSS rescore
  65. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-22 21:15 UTCEPSS rescore
  67. 2026-05-22 21:15 UTCEPSS rescore
  68. 2026-05-22 21:15 UTCEPSS rescore
  69. 2026-05-20 22:37 UTCEPSS rescore
  70. 2026-05-20 22:37 UTCEPSS rescore
  71. 2026-05-20 08:52 UTCGHSA enrichment
  72. 2026-05-20 04:43 UTCGHSA enrichment
  73. 2026-05-20 00:34 UTCGHSA enrichment
  74. 2026-05-19 20:25 UTCGHSA enrichment
  75. 2026-05-19 16:16 UTCGHSA enrichment

Publicly available exploits

(3 references)

Public exploit code is referenced for this CVE (1 Metasploit module, 2 Exploit-DB entries). Defenders should treat patch urgency accordingly.

  • Exploit-DBEDB-43876✓ verified
    Published Jan 24, 2018

    Kaltura - Remote PHP Code Execution over Cookie (Metasploit)

    Open source ↗
  • Metasploitexploit/linux/http/kaltura_unserialize_cookie_rce✓ verified
    Published Jan 23, 2018

    Kaltura Remote PHP Code Execution over Cookie

    Open source ↗
  • Exploit-DBEDB-43028✓ verified
    Published Oct 23, 2017

    Kaltura < 13.2.0 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-14143?
CVE-2017-14143 is a critical vulnerability published on September 19, 2017. 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…
When was CVE-2017-14143 disclosed?
CVE-2017-14143 was first published on September 19, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-14143 actively exploited?
CVE-2017-14143 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 77% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-14143?
CVE-2017-14143 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-14143?
No fix for CVE-2017-14143 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

Dependency Blast Radius

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