Is CVE-2021-22885 in the CISA KEV catalog?

No. CVE-2021-22885 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-22885?

CVE-2021-22885 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-22885?

CVE-2021-22885 has an EPSS score of 4.20% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-22885?

Upgrade rails on debian 11 to 2:6.0.3.7+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-22885

HIGHEPSS 90th pctl

7.5

CVSS v3

NVD

Description

A possible information disclosure / unintended method execution vulnerability in Action Pack >= 2.0.0 when using the `redirect_to` or `polymorphic_url`helper with untrusted user input.

CWE-209

How to fix

Remediation Available

railsDebian

Fixed in:2:6.0.3.7+dfsg-1CVE-2021-22885

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

4.20%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Exploit1

hackerone.com

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.