How severe is CVE-2020-26565?

CVE-2020-26565 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-26565 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-2020-26565?

CVE-2020-26565 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26565?

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-2020-26565 published?

CVE-2020-26565 was published on 2021-07-31 and last updated on 2026-06-17.

CVE-2020-26565

CVE-2020-26565 is a high-severity vulnerability in Objectplanet Opinio with a CVSS 3.x base score of 7.5. 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-917.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-917
Affected product: Objectplanet Opinio
Published: 2021-07-31
Last modified: 2026-06-17

Description

ObjectPlanet Opinio before 7.14 allows Expression Language Injection via the admin/permissionList.do from parameter. This can be used to retrieve possibly sensitive serverInfo data.

Frequently asked questions

What is CVE-2020-26565?: ObjectPlanet Opinio before 7.14 allows Expression Language Injection via the admin/permissionList.do from parameter. This can be used to retrieve possibly sensitive serverInfo data.
How severe is CVE-2020-26565?: CVE-2020-26565 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-26565 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-2020-26565?: CVE-2020-26565 affects Objectplanet Opinio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26565?: 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-2020-26565 published?: CVE-2020-26565 was published on 2021-07-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:objectplanet:opinio:*:*:*:*:*:*:*:*

More vulnerabilities in Objectplanet Opinio

CVE-2023-4472 — Critical (CVSS 9.8): Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled…
CVE-2025-13872 — Critical (CVSS 9.1): Blind Server-Side Request Forgery (SSRF) in the survey-import feature of ObjectPlanet Opinio 7.26 rev12562 on…
CVE-2025-13871 — High (CVSS 8.8): Cross-Site Request Forgery (CSRF) in the resource-management feature of ObjectPlanet Opinio 7.26 rev12562…
CVE-2020-26806 — High (CVSS 8.8): admin/file.do in ObjectPlanet Opinio before 7.15 allows Unrestricted File Upload of executable JSP files, resulting in…
CVE-2020-26564 — Medium (CVSS 6.5): ObjectPlanet Opinio before 7.15 allows XXE attacks via three steps: modify a .css file to have <!ENTITY content, create…
CVE-2020-26563 — Medium (CVSS 6.1): ObjectPlanet Opinio before 7.14 allows reflected XSS via the survey/admin/surveyAdmin.do?action=viewSurveyAdmin query…

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Other CWE-917 vulnerabilities

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