How severe is CVE-2021-22365?

CVE-2021-22365 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-22365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22365?

CVE-2021-22365 primarily affects Huawei Ese620x Vess Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-22365?

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

When was CVE-2021-22365 published?

CVE-2021-22365 was published on 2021-06-22 and last updated on 2026-06-17.

CVE-2021-22365

CVE-2021-22365 is a low-severity vulnerability in Huawei Ese620x Vess Firmware with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Huawei Ese620x Vess Firmware
Published: 2021-06-22
Last modified: 2026-06-17

Description

There is an out of bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. A local attacker can exploit this vulnerability by sending specific message to the target device. Due to insufficient validation of internal message, successful exploit may cause the process and the service abnormal.

Frequently asked questions

What is CVE-2021-22365?: There is an out of bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. A local attacker can exploit this vulnerability by sending specific message to the target device. Due to insufficient validation of internal message, successful exploit may cause the process and the service abnormal.
How severe is CVE-2021-22365?: CVE-2021-22365 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-22365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22365?: CVE-2021-22365 primarily affects Huawei Ese620x Vess Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-22365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-22365 published?: CVE-2021-22365 was published on 2021-06-22 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210526-02-outbounds-en

Affected products (3)

cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c10spc200:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ese620x_vess_firmware:v100r001c20spc200:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ese620x_vess_firmware:v200r001c00spc300:*:*:*:*:*:*:*

More vulnerabilities in Huawei Ese620x Vess Firmware

CVE-2021-22396 — High (CVSS 7.8): There is a privilege escalation vulnerability in some Huawei products. Due to improper privilege management, a local…
CVE-2021-22361 — High (CVSS 7.8): There is an improper authorization vulnerability in eCNS280 V100R005C00, V100R005C10 and eSE620X vESS…
CVE-2021-39999 — High (CVSS 7.5): There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200. An attacker can…
CVE-2021-39995 — Medium (CVSS 6.5): Some Huawei products use the OpenHpi software for hardware management. A function that parses data returned by OpenHpi…
CVE-2021-22366 — Medium (CVSS 5.5): There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300.…
CVE-2021-22383 — Medium (CVSS 4.9): There is an out-of-bounds read vulnerability in eCNS280_TD V100R005C10 and eSE620X vESS V100R001C10SPC200,…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
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CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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