How severe is CVE-2021-22439?

CVE-2021-22439 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-22439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-22439?

CVE-2021-22439 affects Huawei Anyoffice. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-22439?

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-2021-22439 published?

CVE-2021-22439 was published on 2021-06-29 and last updated on 2026-06-17.

CVE-2021-22439

CVE-2021-22439 is a high-severity vulnerability in Huawei Anyoffice with a CVSS 3.x base score of 8.1. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 9.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Huawei Anyoffice
Published: 2021-06-29
Last modified: 2026-06-17

Description

There is a deserialization vulnerability in Huawei AnyOffice V200R006C10. An attacker can construct a specific request to exploit this vulnerability. Successfully exploiting this vulnerability, the attacker can execute remote malicious code injection and to control the device.

Frequently asked questions

What is CVE-2021-22439?: There is a deserialization vulnerability in Huawei AnyOffice V200R006C10. An attacker can construct a specific request to exploit this vulnerability. Successfully exploiting this vulnerability, the attacker can execute remote malicious code injection and to control the device.
How severe is CVE-2021-22439?: CVE-2021-22439 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-22439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22439?: CVE-2021-22439 affects Huawei Anyoffice. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22439?: 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-2021-22439 published?: CVE-2021-22439 was published on 2021-06-29 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210619-01-injection-en

Affected products (1)

cpe:2.3:a:huawei:anyoffice:v200r006c10:*:*:*:*:*:*:*

More vulnerabilities in Huawei Anyoffice

CVE-2016-8275 — Medium (CVSS 6.5): Huawei AnyOffice V200R006C00 could allow an authenticated, remote attacker to cause the software to deny services by…

All CVEs affecting Huawei Anyoffice →

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities

CVE-2026-41104 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Planetary Computer Pro allows an unauthorized attacker to disclose…
CVE-2026-43633 — Critical (CVSS 10.0): HestiaCP versions 1.9.0 through 1.9.4 contain a deserialization vulnerability in the web terminal component caused by a…
CVE-2026-33819 — Critical (CVSS 10.0): Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a network.
CVE-2026-20131 — Critical (CVSS 10.0): A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2026-25632 — Critical (CVSS 10.0): EPyT-Flow is a Python package designed for the easy generation of hydraulic and water quality scenario data of water…
CVE-2025-14931 — Critical (CVSS 10.0): Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability.…

Browse all CWE-502 (Deserialization of Untrusted Data) vulnerabilities →