How severe is CVE-2020-9238?

CVE-2020-9238 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-9238 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9238?

CVE-2020-9238 affects Huawei Taurus-an00b Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9238?

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

When was CVE-2020-9238 published?

CVE-2020-9238 was published on 2020-10-12 and last updated on 2026-06-17.

CVE-2020-9238

CVE-2020-9238 is a medium-severity vulnerability in Huawei Taurus-an00b Firmware with a CVSS 3.x base score of 6.5. 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-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 3.3
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Huawei Taurus-an00b Firmware
Published: 2020-10-12
Last modified: 2026-06-17

Description

Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a buffer overflow vulnerability. A function in a module does not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device.

Frequently asked questions

What is CVE-2020-9238?: Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a buffer overflow vulnerability. A function in a module does not verify inputs sufficiently. Attackers can exploit this vulnerability by sending specific request. This could compromise normal service of the affected device.
How severe is CVE-2020-9238?: CVE-2020-9238 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-9238 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9238?: CVE-2020-9238 affects Huawei Taurus-an00b Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9238?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9238 published?: CVE-2020-9238 was published on 2020-10-12 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-bufferoverflow-en

Affected products (1)

cpe:2.3:o:huawei:taurus-an00b_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Huawei Taurus-an00b Firmware

CVE-2020-9112 — High (CVSS 7.8): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a privilege elevation vulnerability. Due to lack of…
CVE-2020-9105 — Medium (CVSS 6.7): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an insufficient input validation vulnerability. Due to…
CVE-2020-9084 — Medium (CVSS 6.5): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a use-after-free (UAF) vulnerability. An authenticated,…
CVE-2020-9240 — Medium (CVSS 5.5): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have a buffer overflow vulnerability. A function in a module…
CVE-2020-9091 — Medium (CVSS 5.5): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an out-of-bounds read and write vulnerability. Some…
CVE-2020-9110 — Medium (CVSS 4.6): Taurus-AN00B versions earlier than 10.1.0.156(C00E155R7P2) have an information disclosure vulnerability. The device…

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