How severe is CVE-2021-22362?

CVE-2021-22362 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-22362 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22362?

CVE-2021-22362 primarily affects Huawei Cloudengine 12800 Firmware. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22362?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-22362 published?

CVE-2021-22362 was published on 2021-05-27 and last updated on 2026-06-17.

CVE-2021-22362

CVE-2021-22362 is a medium-severity vulnerability in Huawei Cloudengine 12800 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Huawei Cloudengine 12800 Firmware
Published: 2021-05-27
Last modified: 2026-06-17

Description

There is an out of bounds write vulnerability in some Huawei products. An attacker can exploit this vulnerability by sending crafted data in the packet to the target device. Due to insufficient validation of message, successful exploit can cause certain service abnormal.Affected product versions include:CloudEngine 12800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 5800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800@;CloudEngine 6800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 7800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800.

Frequently asked questions

What is CVE-2021-22362?: There is an out of bounds write vulnerability in some Huawei products. An attacker can exploit this vulnerability by sending crafted data in the packet to the target device. Due to insufficient validation of message, successful exploit can cause certain service abnormal.Affected product versions include:CloudEngine 12800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 5800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800@;CloudEngine 6800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 7800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800.
How severe is CVE-2021-22362?: CVE-2021-22362 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-22362 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22362?: CVE-2021-22362 primarily affects Huawei Cloudengine 12800 Firmware. In total, 25 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22362?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22362 published?: CVE-2021-22362 was published on 2021-05-27 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-01-cloudengine-en

Affected products (25)

cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r002c50spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r003c00spc810:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r005c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r005c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_12800_firmware:v200r019c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r002c50spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r003c00spc810:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r005c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r005c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_5800_firmware:v200r019c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r002c50spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r003c00spc810:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r005c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r005c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r005c20spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_6800_firmware:v200r019c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r002c50spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r003c00spc810:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r005c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r005c10spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r019c00spc800:*:*:*:*:*:*:*
cpe:2.3:o:huawei:cloudengine_7800_firmware:v200r019c10spc800:*:*:*:*:*:*:*

More vulnerabilities in Huawei Cloudengine 12800 Firmware

CVE-2017-17301 — Critical (CVSS 9.8): Huawei AR120-S V200R005C32, V200R006C10, V200R007C00, V200R008C20, AR1200 V200R005C20, V200R005C32, V200R006C10,…
CVE-2016-6178 — Critical (CVSS 9.8): Huawei NE40E and CX600 devices with software before V800R007SPH017; PTN 6900-2-M8 devices with software before…
CVE-2020-9207 — High (CVSS 7.8): There is an improper authentication vulnerability in some verisons of Huawei CloudEngine product. A module does not…
CVE-2021-40008 — High (CVSS 7.5): There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800,…
CVE-2021-22328 — High (CVSS 7.5): There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling…
CVE-2021-22332 — High (CVSS 7.5): There is a pointer double free vulnerability in some versions of CloudEngine 5800, CloudEngine 6800, CloudEngine 7800…

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