How severe is CVE-2021-22293?

CVE-2021-22293 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-22293 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22293?

CVE-2021-22293 primarily affects Huawei Campusinsight. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22293?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-22293 published?

CVE-2021-22293 was published on 2021-02-06 and last updated on 2026-06-17.

CVE-2021-22293

CVE-2021-22293 is a high-severity vulnerability in Huawei Campusinsight with a CVSS 3.x base score of 7.5. 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-444.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-444
Affected product: Huawei Campusinsight
Published: 2021-02-06
Last modified: 2026-06-17

Description

Some Huawei products have an inconsistent interpretation of HTTP requests vulnerability. Attackers can exploit this vulnerability to cause information leak. Affected product versions include: CampusInsight versions V100R019C10; ManageOne versions 6.5.1.1, 6.5.1.SPC100, 6.5.1.SPC200, 6.5.1RC1, 6.5.1RC2, 8.0.RC2. Affected product versions include: Taurus-AL00A versions 10.0.0.1(C00E1R1P1).

Frequently asked questions

What is CVE-2021-22293?: Some Huawei products have an inconsistent interpretation of HTTP requests vulnerability. Attackers can exploit this vulnerability to cause information leak. Affected product versions include: CampusInsight versions V100R019C10; ManageOne versions 6.5.1.1, 6.5.1.SPC100, 6.5.1.SPC200, 6.5.1RC1, 6.5.1RC2, 8.0.RC2. Affected product versions include: Taurus-AL00A versions 10.0.0.1(C00E1R1P1).
How severe is CVE-2021-22293?: CVE-2021-22293 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-22293 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22293?: CVE-2021-22293 primarily affects Huawei Campusinsight. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22293?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-22293 published?: CVE-2021-22293 was published on 2021-02-06 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210120-01-http-en

Affected products (8)

cpe:2.3:a:huawei:campusinsight:v100r019c10:*:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:6.5.1.1:-:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:6.5.1.1:rc1:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:6.5.1.1:rc2:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:6.5.1.1:spc100:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:6.5.1.1:spc200:*:*:*:*:*:*
cpe:2.3:a:huawei:manageone:8.0.0:rc2:*:*:*:*:*:*
cpe:2.3:o:huawei:taurus-al00a_firmware:10.0.0.1\(c00e1r1p1\):*:*:*:*:*:*:*

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