Nip6300 Firmware CVE-2021-22341

MEDIUM

Memory Leak (CWE-401)

2021-06-29 psirt@huawei.com

Information Disclosure Huawei Nip6300 Firmware Secospace Usg6500 Firmware Secospace Usg6300 Firmware Ngfw Module Firmware Secospace Usg6600 Firmware Nip6600 Firmware Ips Module Firmware

4.9

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-401 ASVS 5.0 V15 - Secure Coding and Architecture Resource cleanup, leak prevention
Impact	CVSS score of 4.9 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could exhaust available memory leading to denial of service by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.6% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

AnalysisAI

There is a memory leak vulnerability in Huawei products. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Ensure all allocated memory is properly freed. Use RAII patterns or garbage-collected languages.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Sign in to check

Technical ContextAI · show details

This vulnerability is classified as Memory Leak (CWE-401), which allows attackers to exhaust available memory leading to denial of service. There is a memory leak vulnerability in Huawei products. A resource management weakness exists in a module. Attackers with high privilege can exploit this vulnerability by performing some operations. This can lead to memory leak. Affected product versions include:IPS Module V500R005C00SPC100,V500R005C00SPC200;NGFW Module V500R005C00SPC100,V500R005C00SPC200;NIP6300 V500R005C00SPC100,V500R005C10SPC200;NIP6600 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 V500R005C00SPC100,V500R005C10SPC200;Secospace USG6600 V500R005C00SPC100,V500R005C00SPC200. Affected products include: Huawei Ips Module Firmware, Huawei Ngfw Module Firmware, Huawei Nip6300 Firmware, Huawei Nip6600 Firmware, Huawei Secospace Usg6300 Firmware.

Know when Nip6300 Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 4.9 MEDIUM

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

There is a memory leak vulnerability in Huawei products. A resource management weakness exists in a module. Attackers with high privilege can exploit this vulnerability by performing some operations. This can lead to memory leak. Affected product versions include:IPS Module V500R005C00SPC100,V500R005C00SPC200;NGFW Module V500R005C00SPC100,V500R005C00SPC200;NIP6300 V500R005C00SPC100,V500R005C10SPC200;NIP6600 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6300 V500R005C00SPC100,V500R005C00SPC200;Secospace USG6500 V500R005C00SPC100,V500R005C10SPC200;Secospace USG6600 V500R005C00SPC100,V500R005C00SPC200.

Threat Intelligence Overview

EPSS Score

0.6%

Top 56% exploitable

Data Quality

2 sources

Confidence: Low

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.6%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

No

Human Impact· derived

Medium

Priority Score

25

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +24

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:o:huawei:ips_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:ips_module_firmware:v500r005c00spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:nip6300_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:nip6300_firmware:v500r005c10spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:nip6600_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:nip6600_firmware:v500r005c00spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r005c00spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r005c10spc200:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c00spc100:*:*:*:*:*:*:*

cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r005c00spc200:*:*:*:*:*:*:*

More in Nip6300 Firmware

View all

CVE-2016-4576 CRITICAL Act Now

Buffer overflow in the Application Specific Packet Filtering (ASPF) functionality in the Huawei IPS Module, NGFW Module,

CVE-2020-9099 CRITICAL Act Now

Huawei products IPS Module; NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6300; Secospace USG6500; Secospace USG6

CVE-2019-5254 HIGH This Week

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;

CVE-2020-1847 HIGH This Week

There is a denial of service vulnerability in some Huawei products. Rated high severity (CVSS 7.5), this vulnerability i

CVE-2020-1856 HIGH This Week

Huawei NGFW Module, NIP6300, NIP6600, Secospace USG6500, Secospace USG6600, and USG9500 versions V500R001C30, V500R001C6

CVE-2020-9127 MEDIUM This Month

Some Huawei products have a command injection vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low

CVE-2021-22312 MEDIUM This Month

There is a memory leak vulnerability in some Huawei products. Rated medium severity (CVSS 6.5), this vulnerability is re

CVE-2019-5258 MEDIUM This Month

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;

CVE-2019-5257 MEDIUM This Month

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;

CVE-2019-5256 MEDIUM This Month

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;

CVE-2019-5255 MEDIUM This Month

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;

CVE-2021-22321 MEDIUM This Month

There is a use-after-free vulnerability in a Huawei product. Rated medium severity (CVSS 5.3), this vulnerability is rem

Same weakness CWE-401 – Memory Leak

View all

CVE-2020-13934 HIGH

CVE-2016-4232 HIGH POC

CVE-2024-25450 HIGH POC

CVE-2023-33718 HIGH POC

CVE-2019-6128 HIGH POC

CVE-2026-67183 HIGH POC

CVE-2023-34451 HIGH POC

CVE-2020-6079 HIGH POC

Same technique Information Disclosure

View all

CVE-2019-2725 CRITICAL POC

CVE-2021-34523 CRITICAL POC

CVE-2013-2251 CRITICAL POC

CVE-2017-5638 CRITICAL POC

CVE-2025-24813 CRITICAL POC

CVE-2025-68613 HIGH POC

CVE-2015-1701 HIGH POC

CVE-2017-0147 HIGH POC

References

Advisories & patches

ADVISORY https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210506-01-memleak-en

Search Externally

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy