How severe is CVE-2021-22310?

CVE-2021-22310 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22310 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22310?

CVE-2021-22310 primarily affects Huawei Nip6300 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22310?

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

When was CVE-2021-22310 published?

CVE-2021-22310 was published on 2021-03-22 and last updated on 2026-06-17.

CVE-2021-22310

CVE-2021-22310 is a medium-severity vulnerability in Huawei Nip6300 Firmware with a CVSS 3.x base score of 4.4. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Huawei Nip6300 Firmware
Published: 2021-03-22
Last modified: 2026-06-17

Description

There is an information leakage vulnerability in some huawei products. Due to the properly storage of specific information in the log file, the attacker can obtain the information when a user logs in to the device. Successful exploit may cause an information leak. Affected product versions include: NIP6300 versions V500R001C00,V500R001C20,V500R001C30;NIP6600 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6300 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6500 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6600 versions V500R001C00,V500R001C20,V500R001C30,V500R001C50,V500R001C60,V500R001C80;USG9500 versions V500R005C00,V500R005C10.

Frequently asked questions

What is CVE-2021-22310?: There is an information leakage vulnerability in some huawei products. Due to the properly storage of specific information in the log file, the attacker can obtain the information when a user logs in to the device. Successful exploit may cause an information leak. Affected product versions include: NIP6300 versions V500R001C00,V500R001C20,V500R001C30;NIP6600 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6300 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6500 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6600 versions V500R001C00,V500R001C20,V500R001C30,V500R001C50,V500R001C60,V500R001C80;USG9500 versions V500R005C00,V500R005C10.
How severe is CVE-2021-22310?: CVE-2021-22310 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22310 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22310?: CVE-2021-22310 primarily affects Huawei Nip6300 Firmware. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22310?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22310 published?: CVE-2021-22310 was published on 2021-03-22 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210203-01-plaintextlog-en

Affected products (20)

cpe:2.3:o:huawei:nip6300_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6300_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:nip6600_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6300_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6500_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c20:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c30:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c50:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c60:*:*:*:*:*:*:*
cpe:2.3:o:huawei:secospace_usg6600_firmware:v500r001c80:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c00:*:*:*:*:*:*:*
cpe:2.3:o:huawei:usg9500_firmware:v500r005c10:*:*:*:*:*:*:*

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