How severe is CVE-2020-1802?

CVE-2020-1802 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-1802 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1802?

CVE-2020-1802 primarily affects Huawei Osca-550 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1802?

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

When was CVE-2020-1802 published?

CVE-2020-1802 was published on 2020-04-10 and last updated on 2026-06-17.

CVE-2020-1802

CVE-2020-1802 is a medium-severity vulnerability in Huawei Osca-550 Firmware with a CVSS 3.x base score of 4.6. 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-354.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-354
Affected product: Huawei Osca-550 Firmware
Published: 2020-04-10
Last modified: 2026-06-17

Description

There is an insufficient integrity validation vulnerability in several products. The device does not sufficiently validate the integrity of certain file in certain loading processes, successful exploit could allow the attacker to load a crafted file to the device through USB.Affected product versions include:OSCA-550 versions 1.0.1.23(SP2);OSCA-550A versions 1.0.1.23(SP2);OSCA-550AX versions 1.0.1.23(SP2);OSCA-550X versions 1.0.1.23(SP2).

Frequently asked questions

What is CVE-2020-1802?: There is an insufficient integrity validation vulnerability in several products. The device does not sufficiently validate the integrity of certain file in certain loading processes, successful exploit could allow the attacker to load a crafted file to the device through USB.Affected product versions include:OSCA-550 versions 1.0.1.23(SP2);OSCA-550A versions 1.0.1.23(SP2);OSCA-550AX versions 1.0.1.23(SP2);OSCA-550X versions 1.0.1.23(SP2).
How severe is CVE-2020-1802?: CVE-2020-1802 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-1802 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1802?: CVE-2020-1802 primarily affects Huawei Osca-550 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1802?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1802 published?: CVE-2020-1802 was published on 2020-04-10 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200408-01-osca-en

Affected products (4)

cpe:2.3:o:huawei:osca-550_firmware:1.0.1.23\(sp2\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:osca-550a_firmware:1.0.1.23\(sp2\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:osca-550ax_firmware:1.0.1.23\(sp2\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:osca-550x_firmware:1.0.1.23\(sp2\):*:*:*:*:*:*:*

More vulnerabilities in Huawei Osca-550 Firmware

CVE-2020-1842 — Medium (CVSS 6.8): Huawei HEGE-560 version 1.0.1.20(SP2); OSCA-550 and OSCA-550A version 1.0.0.71(SP1); and OSCA-550AX and OSCA-550X…
CVE-2020-1843 — Medium (CVSS 6.8): Huawei HEGE-560 version 1.0.1.20(SP2), OSCA-550 version 1.0.0.71(SP1), OSCA-550A version 1.0.0.71(SP1), OSCA-550AX…
CVE-2020-1789 — Medium (CVSS 6.8): Huawei OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient…
CVE-2020-1855 — Medium (CVSS 6.1): Huawei HEGE-570 version 1.0.1.22(SP3); and HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X version…
CVE-2020-1879 — Low (CVSS 3.9): There is an improper integrity checking vulnerability on some huawei products. The software of the affected product has…

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