How severe is CVE-2021-22342?

CVE-2021-22342 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22342 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22342?

CVE-2021-22342 primarily affects Huawei Ips Module Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22342?

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

When was CVE-2021-22342 published?

CVE-2021-22342 was published on 2021-06-22 and last updated on 2026-06-17.

CVE-2021-22342

CVE-2021-22342 is a medium-severity vulnerability in Huawei Ips Module Firmware with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Ips Module Firmware
Published: 2021-06-22
Last modified: 2026-06-17

Description

There is an information leak vulnerability in Huawei products. A module does not deal with specific input sufficiently. High privilege attackers can exploit this vulnerability by performing some operations. This can lead to information leak. Affected product versions include: IPS Module versions V500R005C00, V500R005C10, V500R005C20; NGFW Module versions V500R005C00,V500R005C10, V500R005C20; SeMG9811 versions V500R005C00; USG9500 versions V500R001C00, V500R001C20, V500R001C30, V500R001C50, V500R001C60, V500R001C80, V500R005C00, V500R005C10, V500R005C20.

Frequently asked questions

What is CVE-2021-22342?: There is an information leak vulnerability in Huawei products. A module does not deal with specific input sufficiently. High privilege attackers can exploit this vulnerability by performing some operations. This can lead to information leak. Affected product versions include: IPS Module versions V500R005C00, V500R005C10, V500R005C20; NGFW Module versions V500R005C00,V500R005C10, V500R005C20; SeMG9811 versions V500R005C00; USG9500 versions V500R001C00, V500R001C20, V500R001C30, V500R001C50, V500R001C60, V500R001C80, V500R005C00, V500R005C10, V500R005C20.
How severe is CVE-2021-22342?: CVE-2021-22342 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22342 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22342?: CVE-2021-22342 primarily affects Huawei Ips Module Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22342?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22342 published?: CVE-2021-22342 was published on 2021-06-22 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-infomationleak-en

Affected products (16)

cpe:2.3:o:huawei:ips_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ips_module_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ngfw_module_firmware:v500r005c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:semg9811_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r001c80:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c10:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c20:*:*:*:*:*:*:*

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