CVE-2015-5721

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

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

Malware Information Sharing Platform (MISP) before 2.3.90 allows remote attackers to conduct PHP object injection attacks via crafted serialized data, related to TemplatesController.php and populate_event_from_template_attributes.ctp.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
83.6%
KEV
Not listed

Published

September 3, 2016

Last Modified

June 23, 2026

Advisory Details (3)

Auto-updated Jul 12, 2026
Patch available. Sources: github_commit.
generic Patch Available

CIRCL » CVE-2015-5721 - Vulnerability in MISP (Malware Information Sharing Platform) - potential PHP Object injection vulnerability

https://www.circl.lu/advisory/CVE-2015-5721/
github_commit Patch Available

commit 415d85102d5a (MISP/MISP)

Patch available: MISP/MISP v2.5.13 (contains commit 415d85102d5a)

https://github.com/MISP/MISP/commit/415d85102d5aa5f96f4f11a17c86b59bb9cc0d56
generic
http://www.securityfocus.com/bid/92739

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× in last 7d / 37× 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.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2015-5721?
CVE-2015-5721 is a critical vulnerability published on September 3, 2016. Malware Information Sharing Platform (MISP) before 2.3.90 allows remote attackers to conduct PHP object injection attacks via crafted serialized data, related to TemplatesController.php and populateeventfromtemplateattributes.ctp.
When was CVE-2015-5721 disclosed?
CVE-2015-5721 was first published in the National Vulnerability Database on September 3, 2016, with the most recent update on June 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-5721 actively exploited?
CVE-2015-5721 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2015-5721?
CVE-2015-5721 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2015-5721?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-5721, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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