How severe is CVE-2021-28890?

CVE-2021-28890 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-2021-28890 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28890?

CVE-2021-28890 affects J2eefast. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28890?

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-2021-28890 published?

CVE-2021-28890 was published on 2021-08-12 and last updated on 2026-06-17.

CVE-2021-28890

CVE-2021-28890 is a critical-severity vulnerability in J2eefast 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: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: J2eefast
Published: 2021-08-12
Last modified: 2026-06-17

Description

J2eeFAST 2.2.1 allows remote attackers to perform SQL injection via the (1) compId parameter to fast/sys/user/list, (2) deptId parameter to fast/sys/role/list, or (3) roleId parameter to fast/sys/role/authUser/list, related to the use of ${} to join SQL statements.

Frequently asked questions

What is CVE-2021-28890?: J2eeFAST 2.2.1 allows remote attackers to perform SQL injection via the (1) compId parameter to fast/sys/user/list, (2) deptId parameter to fast/sys/role/list, or (3) roleId parameter to fast/sys/role/authUser/list, related to the use of ${} to join SQL statements.
How severe is CVE-2021-28890?: CVE-2021-28890 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-2021-28890 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28890?: CVE-2021-28890 affects J2eefast. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28890?: 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-2021-28890 published?: CVE-2021-28890 was published on 2021-08-12 and last updated on 2026-06-17.

References

https://gitee.com/zhouhuanOGP/J2EEFAST/issues/I3BOFQ

Affected products (1)

cpe:2.3:a:j2eefast:j2eefast:2.2.1:*:*:*:*:*:*:*

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