There is a memory leak vulnerability in some versions of Huawei CloudEngine product.
There is a memory leak vulnerability in some versions of Huawei CloudEngine product. An unauthenticated, remote attacker may exploit this vulnerability by sending specific message to the affected product. Due to not release the allocated memory properly, successful exploit may cause memory leak.
- Published
- Dec 29, 2020
- Updated
- Jun 16, 2026
- EPSS
- 0.9% · 59th percentile
- CWE
- CWE-401
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Report tools
Action score
30
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.9%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| huawei | cloudengine 12800 firmware | cpe:2.3:o:huawei:cloudengine_12800_firmware |
| huawei | cloudengine 12800 | cpe:2.3:h:huawei:cloudengine_12800 |
| huawei | cloudengine 5800 firmware | cpe:2.3:o:huawei:cloudengine_5800_firmware |
| huawei | cloudengine 5800 | cpe:2.3:h:huawei:cloudengine_5800 |
| huawei | cloudengine 6800 firmware | cpe:2.3:o:huawei:cloudengine_6800_firmware |
| huawei | cloudengine 6800 | cpe:2.3:h:huawei:cloudengine_6800 |
| huawei | cloudengine 7800 firmware | cpe:2.3:o:huawei:cloudengine_7800_firmware |
| huawei | cloudengine 7800 | cpe:2.3:h:huawei:cloudengine_7800 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- huawei cloudengine 12800 firmwarev200r002c50spc800
- huawei cloudengine 12800 firmwarev200r003c00spc810
- huawei cloudengine 12800 firmwarev200r005c00spc800
- huawei cloudengine 12800 firmwarev200r005c10spc800
- huawei cloudengine 5800 firmwarev200r002c50spc800
- huawei cloudengine 5800 firmwarev200r003c00spc810
- huawei cloudengine 5800 firmwarev200r005c00spc800
- huawei cloudengine 5800 firmwarev200r005c10spc800
- huawei cloudengine 6800 firmwarev200r002c50spc800
- huawei cloudengine 6800 firmwarev200r003c00spc810
- huawei cloudengine 6800 firmwarev200r005c00spc800
- huawei cloudengine 6800 firmwarev200r005c10spc800
- huawei cloudengine 7800 firmwarev200r002c50spc800
- huawei cloudengine 7800 firmwarev200r003c00spc810
- huawei cloudengine 7800 firmwarev200r005c00spc800
- huawei cloudengine 7800 firmwarev200r005c10spc800
Versions reported by the vendor
Affected version ranges reported by the assigning authority (huawei). Independent of NVD's CPE analysis and usually ahead of it.
Huawei CloudEngine 12800
- V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800affected
Huawei CloudEngine 5800
- V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800affected
Huawei CloudEngine 6800
- V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800affected
Huawei CloudEngine 7800
- V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800affected
Same product
huawei: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-9207There is an improper authentication vulnerability in some verisons of Huawei CloudEngine product.31Monitor
- CVE-2021-22328There is a denial of service vulnerability in some huawei products.30Monitor
- CVE-2021-22332There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800.30Monitor
- CVE-2021-22393There is a denial of service vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800 and CloudEngine 12800.30Monitor
- CVE-2020-9094There is an out of bound read vulnerability in some verisons of Huawei CloudEngine product.30Monitor
- CVE-2020-1870There is a denial of service vulnerability in some Huawei products.30Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-401 · Missing Release of Memory after Effective LifetimeCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.