How severe is CVE-2020-15540?

CVE-2020-15540 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-2020-15540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15540?

CVE-2020-15540 affects We-com Opendata Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15540?

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-2020-15540 published?

CVE-2020-15540 was published on 2020-07-05 and last updated on 2026-06-17.

CVE-2020-15540

CVE-2020-15540 is a critical-severity vulnerability in We-com Opendata Cms 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% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: We-com Opendata Cms
Published: 2020-07-05
Last modified: 2026-06-17

Description

We-com OpenData CMS 2.0 allows SQL Injection via the username field on the administrator login page.

Frequently asked questions

What is CVE-2020-15540?: We-com OpenData CMS 2.0 allows SQL Injection via the username field on the administrator login page.
How severe is CVE-2020-15540?: CVE-2020-15540 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-2020-15540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15540?: CVE-2020-15540 affects We-com Opendata Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15540?: 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-2020-15540 published?: CVE-2020-15540 was published on 2020-07-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:we-com:opendata_cms:2.0:*:*:*:*:*:*:*

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