How severe is CVE-2020-23083?

CVE-2020-23083 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-2020-23083 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23083?

CVE-2020-23083 affects Guojusoft Jeecg. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23083?

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-2020-23083 published?

CVE-2020-23083 was published on 2021-05-03 and last updated on 2026-06-17.

CVE-2020-23083

CVE-2020-23083 is a critical-severity vulnerability in Guojusoft Jeecg 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Guojusoft Jeecg
Published: 2021-05-03
Last modified: 2026-06-17

Description

Unrestricted File Upload in JEECG v4.0 and earlier allows remote attackers to execute arbitrary code or gain privileges by uploading a crafted file to the component "jeecgFormDemoController.do?commonUpload".

Frequently asked questions

What is CVE-2020-23083?: Unrestricted File Upload in JEECG v4.0 and earlier allows remote attackers to execute arbitrary code or gain privileges by uploading a crafted file to the component "jeecgFormDemoController.do?commonUpload".
How severe is CVE-2020-23083?: CVE-2020-23083 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-2020-23083 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23083?: CVE-2020-23083 affects Guojusoft Jeecg. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23083?: 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-2020-23083 published?: CVE-2020-23083 was published on 2021-05-03 and last updated on 2026-06-17.

References

https://github.com/zhangdaiscott/jeecg/issues/56

Affected products (1)

cpe:2.3:a:guojusoft:jeecg:*:*:*:*:*:*:*:*

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