CVE-2015-7577

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 4.2%, top 10% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 5.3Exploit: None knownExposed: 0

A fix is available — apply it.

activerecord/lib/active_record/nested_attributes.rb in Active Record in Ruby on Rails 3.1.x and 3.2.x before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly implement a certain destroy option, which allows remote attackers to bypass intended change restrictions by leveraging use of the nested attributes feature.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
30(Track)
EG Risk 30/100SSVC: Track

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
Severity53% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
90%
KEV
Not listed

Published

February 16, 2016

Last Modified

June 17, 2026

References (22)

Vendor Advisories for CVE-2015-7577(3)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatruby193-rubygem-activesupport-1:3.2.8-6.el72016-03-15redhat
redhatror40-rubygem-activesupport-1:4.0.2-4.el72016-03-15redhat
redhatrh-ror41-rubygem-activesupport-1:4.1.5-3.el72016-02-24redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(7 across 7 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
rails—2:4.2.5.1-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
rails—2:4.2.5.1-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
rails—2:4.2.5.1-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
rails—2:4.2.5.1-1—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
ruby-activerecord-3.23.2.6-5, 3.2.6-5+deb7u13.2.6-5+deb7u2—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
rails2:4.1.8-12:4.1.8-1+deb8u1—
RubyGems(1)
PackageVulnerable rangeFixed inDependents
activerecord5.0.0.beta15.0.0.beta1.1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 22× 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 131 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2015-7577?
CVE-2015-7577 is a medium vulnerability published on February 16, 2016. activerecord/lib/activerecord/nestedattributes.rb in Active Record in Ruby on Rails 3.1.x and 3.2.x before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly implement a certain destroy option, which allows remote attackers to bypass…
When was CVE-2015-7577 disclosed?
CVE-2015-7577 was first published in the National Vulnerability Database on February 16, 2016, 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-2015-7577 actively exploited?
CVE-2015-7577 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 9.6% of all scored CVEs.
What is the CVSS score of CVE-2015-7577?
CVE-2015-7577 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2015-7577?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2015-7577, 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.

Dependency Blast Radius

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