How severe is CVE-2020-16253?

CVE-2020-16253 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2020-16253 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-16253?

CVE-2020-16253 affects Pghero Project Pghero. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-16253?

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-2020-16253 published?

CVE-2020-16253 was published on 2020-08-05 and last updated on 2026-06-17.

CVE-2020-16253

CVE-2020-16253 is a high-severity vulnerability in Pghero Project Pghero with a CVSS 3.x base score of 8.1. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.8
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Pghero Project Pghero
Published: 2020-08-05
Last modified: 2026-06-17

Description

The PgHero gem through 2.6.0 for Ruby allows CSRF.

Frequently asked questions

What is CVE-2020-16253?: The PgHero gem through 2.6.0 for Ruby allows CSRF.
How severe is CVE-2020-16253?: CVE-2020-16253 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2020-16253 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-16253?: CVE-2020-16253 affects Pghero Project Pghero. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-16253?: 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-2020-16253 published?: CVE-2020-16253 was published on 2020-08-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pghero_project:pghero:*:*:*:*:*:ruby:*:*

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