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Security Advisory - Remote Code Execution Vulnerability in Fastjson

  • SA No:huawei-sa-20191204-01-fastjson
  • Initial Release Date: Dec 04, 2019
  • Last Release Date: Feb 18, 2021

A remote code execution vulnerability exists in the open-source JSON parsing library Fastjson. Remote attackers can send crafted JSON data packets to exploit this vulnerability. Successfully exploit could allow the attacker to execute arbitrary code on the target Fastjson server. (Vulnerability ID: HWPSIRT-2019-07083)

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191204-01-fastjson-en




Product Name

Affected Version

Resolved Product and Version

FusionCompute

6.3.0

8.0

6.3.1

6.3.RC1

6.5.0

6.5.1

6.5.RC1

FusionStorage OBS

7.0.0

FusionStorage 8.0.0

ManageOne

V100R006C30

6.5.0.SPC102

V100R006C31

V100R006C50

RSE6500

V100R001C00

V500R002C00SPCh00

V500R002C00

V500R002C00SPC900

eOMC910

V100R005C10

V100R005C10SPC200

eSpace ECS

V300R001C00

V300R001C00SPC221

iManager NetEco

V600R008C10

V600R008C30CP2402

V600R008C20

V600R008C20CP1101

V600R008C20SPC100

V600R008C20SPC200

V600R008C20SPC210

V600R008C30

V600R008C30CP2001

V600R008C30CP2002

V600R008C30CP2003

V600R008C30CP2302

V600R008C30CP2303

V600R008C30CP2401

V600R008C30SPC100

V600R008C30SPC200

V600R008C30SPC230

V600R008C30SPC240

V600R009C00

V600R009C00SPC100

V600R009C00SPC110

V600R009C00SPC200

V600R009C10CP1002

V600R009C10CP1003

V600R009C10SPC100

iManager NetEco 6000

V600R007C91SPC100

V600R008C10SPC540

V600R008C00SPC100

V600R008C10SPC300

V600R008C20



Successfully exploit could allow the attacker to execute arbitrary code on the target Fastjson server.


The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 8.8 (E:P/RL:O/RC:C)

Overall Score: 8.8


This vulnerability can be exploited only when the following conditions are present:

The attacker gains the access of the affected products.

Vulnerability details:

Remote attackers can send crafted JSON data packets to exploit this vulnerability. Successfully exploit could allow the attacker to execute arbitrary code on the target Fastjson server.


Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at http://www.huawei.com/en/psirt/report-vulnerabilities.

This vulnerability was publicly disclosed.


2021-02-18 V1.4 UPDATED Updated the "Summary" section;

2021-01-21 V1.3 UPDATED Updated the "Summary" section;

2020-07-01 V1.2 UPDATED Updated the "Software Versions and Fixes" section;

2020-04-08 V1.1 UPDATED Updated the "Software Versions and Fixes" section;

2019-12-04 V1.0 INITIAL


Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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