How severe is CVE-2020-21809?

CVE-2020-21809 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-21809 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21809?

CVE-2020-21809 affects Nukeviet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-21809?

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

When was CVE-2020-21809 published?

CVE-2020-21809 was published on 2021-07-30 and last updated on 2026-06-17.

CVE-2020-21809

CVE-2020-21809 is a critical-severity vulnerability in Nukeviet with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Nukeviet
Published: 2021-07-30
Last modified: 2026-06-17

Description

SQL Injection vulnerability in NukeViet CMS module Shops 4.0.29 and 4.3 via the (1) listid parameter in detail.php and the (2) group_price or groupid parameters in search_result.php.

Frequently asked questions

What is CVE-2020-21809?: SQL Injection vulnerability in NukeViet CMS module Shops 4.0.29 and 4.3 via the (1) listid parameter in detail.php and the (2) group_price or groupid parameters in search_result.php.
How severe is CVE-2020-21809?: CVE-2020-21809 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-21809 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21809?: CVE-2020-21809 affects Nukeviet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-21809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-21809 published?: CVE-2020-21809 was published on 2021-07-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nukeviet:nukeviet:*:*:*:*:*:*:*:*

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