CVE-2021-0262

Summary

Through routine static code analysis of the Juniper Networks Junos OS software codebase, the Secure Development Life Cycle team identified a Use After Free vulnerability in PFE packet processing on the QFX10002-60C switching platform. Exploitation of this vulnerability may allow a logically adjacent attacker to trigger a Denial of Service (DoS). Continued exploitation of this vulnerability will sustain the Denial of Service (DoS) condition. This issue only affects QFX10002-60C devices. No other product or platform is vulnerable to this issue. This issue affects Juniper Networks Junos OS on QFX10002-60C: 19.1 version 19.1R3-S1 and later versions; 19.1 versions prior to 19.1R3-S3; 19.2 version 19.2R2 and later versions; 19.2 versions prior to 19.2R3-S1; 20.2 versions prior to 20.2R1-S2. This issue does not affect Juniper Networks Junos OS: versions prior to 19.1R3; 19.2 versions prior to 19.2R2; any version of 19.3; version 20.2R2 and later releases.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 19.1R3unaffected
Juniper NetworksJunos OS19.3unaffected
Juniper NetworksJunos OS20.2R2 < unspecifiedunaffected
Juniper NetworksJunos OS19.1R3-S1 < 19.1*affected
Juniper NetworksJunos OS19.2 < 19.2R2unaffected
Juniper NetworksJunos OS20.2 < 20.2R1-S2affected

Weaknesses

  • CWE-416: CWE-416 Use After Free

Workarounds

There are no viable workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

References