NVD / CVE Program· CNA huawei

CVE-2020-1847: There is a denial of service vulnerability in some Huawei products.

Noroxi assessment

Priority: Monitor (action score 30/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 0.74% (FIRST EPSS); higher than 54.6% of all records.
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.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

There is a denial of service vulnerability in some Huawei products. There is no protection against the attack scenario of specific protocol. A remote, unauthorized attackers can construct attack scenarios, which leads to denial of service.Affected product versions include:NIP6300 versions V500R001C30,V500R001C60;NIP6600 versions V500R001C30,V500R001C60;Secospace USG6300 versions V500R001C30,V500R001C60;Secospace USG6500 versions V500R001C30,V500R001C60;Secospace USG6600 versions V500R001C30,V500R001C60;USG9500 versions V500R001C30,V500R001C60.

HighCVSS 7.5 · v3.1—No exploit No fix recorded

Published: Nov 13, 2020
Updated: Jun 16, 2026
EPSS: 0.7% · 54th percentile
CWE: —

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.7%

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Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
huawei	nip6300 firmware	cpe:2.3:o:huawei:nip6300_firmware
huawei	nip6300	cpe:2.3:h:huawei:nip6300
huawei	nip6600 firmware	cpe:2.3:o:huawei:nip6600_firmware
huawei	nip6600	cpe:2.3:h:huawei:nip6600
huawei	secospace usg6300 firmware	cpe:2.3:o:huawei:secospace_usg6300_firmware
huawei	secospace usg6300	cpe:2.3:h:huawei:secospace_usg6300
huawei	secospace usg6500 firmware	cpe:2.3:o:huawei:secospace_usg6500_firmware
huawei	secospace usg6500	cpe:2.3:h:huawei:secospace_usg6500
huawei	secospace usg6600 firmware	cpe:2.3:o:huawei:secospace_usg6600_firmware
huawei	secospace usg6600	cpe:2.3:h:huawei:secospace_usg6600
huawei	usg9500 firmware	cpe:2.3:o:huawei:usg9500_firmware
huawei	usg9500	cpe:2.3:h:huawei:usg9500

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

huawei nip6300 firmwarev500r001c30
huawei nip6300 firmwarev500r001c60
huawei nip6600 firmwarev500r001c30
huawei nip6600 firmwarev500r001c60
huawei secospace usg6300 firmwarev500r001c30
huawei secospace usg6300 firmwarev500r001c60
huawei secospace usg6500 firmwarev500r001c30
huawei secospace usg6500 firmwarev500r001c60
huawei secospace usg6600 firmwarev500r001c30
huawei secospace usg6600 firmwarev500r001c60
huawei usg9500 firmwarev500r001c30
huawei usg9500 firmwarev500r001c60

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.

n/a NIP6300;NIP6600;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500
- V500R001C30,V500R001C60affected

Same product

huawei: all records

Other highest-scoring records for the same primary product.

CVE-2020-9127Some Huawei products have a command injection vulnerability.
26Monitor
CVE-2017-15315Patch module of Huawei NIP6300 V500R001C20SPC100, V500R001C20SPC200, NIP6600 V500R001C20SPC100, V500R001C20SPC200, Secospace USG6300 V500R00
26Monitor
CVE-2021-22321There is a use-after-free vulnerability in a Huawei product.
21Monitor

Published before and after this one in the same product

Later →CVE-2021-22310Mar 22, 2021 · There is an information leakage vulnerability in some huawei products.
17Monitor

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.

No history yet (it accumulates with the daily EPSS job).

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 researchers

Finders, 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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-20-960 · Nov 13, 2020(Huawei Ürünleri için Güvenlik Güncellemesi Yayınladı)

All national notices →

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)

—

CVSS 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

www.huawei.com/en/psirt/security-advisories/huawei-sa-20201111-02-dos-en

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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