Read the docs
TI-2020-17455 Aliases CVE-2020-28923GHSA-v9mf-jgq3-c28h

An issue was discovered in Play Framework 2.8.0 through 2.8.4.

Priority LOW 16CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in Play Framework 2.8.0 through 2.8.4. Carefully crafted JSON payloads sent as a form field lead to Data Amplification. This affects users migrating from a Play version prior to 2.8.0 that used the Play Java API to serialize classes with protected or private fields to JSON.

Why it matters now

EPSS 0.00969 62nd percentileScored 2026-11-07
Fix Fixed com.typesafe.play:play (Maven): 2.8.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—com.typesafe.play:play (Maven)2.8.0 to before 2.8.52.8.5Patch availableGHSA-v9mf-jgq3-c28h
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • com.typesafe.play:play (Maven) Vendor— Affected 2.8.0 to before 2.8.5 Fixed in 2.8.5 Patch available GHSA-v9mf-jgq3-c28h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:lightbend:play_framework:*:*:*:*:*:*:*:*2.8.0 – 2.8.4VulnerableLightbend
  • cpe:2.3:a:lightbend:play_framework:*:*:*:*:*:*:*:* Versions 2.8.0 – 2.8.4 Vulnerable ·Lightbend

Remediation

  • Fix · GHSA-v9mf-jgq3-c28h com.typesafe.play:play (Maven) Fixed in 2.8.5 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-28923
  2. 2026-10-03 Alias added: GHSA-v9mf-jgq3-c28h

References

Advisory 3

  • TI-2014-02951 XML external entity (XXE) vulnerability in the Java XML processing functionality in Play… CVSS 3.0CRITICAL 9.8
  • TI-2022-13063 Denial of service binding form from JSON in Play Framework CVSS 3.1HIGH 7.5
  • TI-2015-01932 Netty before 3.9.8.Final, 3.10.x before 3.10.3.Final, 4.0.x before 4.0.28.Final, and… CVSS 3.0HIGH 7.5
  • TI-2018-10054 A directory traversal vulnerability has been found in the Assets controller in Play… CVSS 3.0HIGH 7.5
  • TI-2022-13068 Dev error stack trace leaking into prod in Play Framework CVSS 3.1HIGH 7.5
  • TI-2020-16533 An issue was discovered in PlayJava in Play Framework 2.6.0 through 2.8.2. CVSS 3.1HIGH 7.5
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences