CVE-2021-3007

CRITICAL
9.8
CVSS Score
Published: January 4, 2021 at 02:26 AM UTC
Updated: June 17, 2026 at 04:04 AM UTC
2 products affected across 2 vendorsZend FrameworkLaminas HTTP

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Severity
CRITICAL9.8
Exploit prediction
EPSS 75%

Description

Laminas Project laminas-http before 2.14.2, and Zend Framework 3.0.0, has a deserialization vulnerability that can lead to remote code execution if the content is controllable, related to the __destruct method of the Zend\Http\Response\Stream class in Stream.php. NOTE: Zend Framework is no longer supported by the maintainer. NOTE: the laminas-http vendor considers this a "vulnerability in the PHP language itself" but has added certain type checking as a way to prevent exploitation in (unrecommended) use cases where attacker-supplied data can be deserialized

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 2.14.2
Affected range stops below 2.14.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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