How severe is CVE-2020-6124?

CVE-2020-6124 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-6124 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-6124?

CVE-2020-6124 affects Os4ed Opensis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-6124?

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-2020-6124 published?

CVE-2020-6124 was published on 2020-09-01 and last updated on 2026-06-17.

CVE-2020-6124

CVE-2020-6124 is a high-severity vulnerability in Os4ed Opensis with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Os4ed Opensis
Published: 2020-09-01
Last modified: 2026-06-17

Description

An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3. The email parameter in the page EmailCheckOthers.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2020-6124?: An exploitable sql injection vulnerability exists in the email parameter functionality of OS4Ed openSIS 7.3. The email parameter in the page EmailCheckOthers.php is vulnerable to SQL injection. An attacker can make an authenticated HTTP request to trigger this vulnerability.
How severe is CVE-2020-6124?: CVE-2020-6124 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-6124 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-6124?: CVE-2020-6124 affects Os4ed Opensis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-6124?: 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-2020-6124 published?: CVE-2020-6124 was published on 2020-09-01 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1073

Affected products (1)

cpe:2.3:a:os4ed:opensis:7.3:*:*:*:*:*:*:*

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