Is CVE-2021-27906 in the CISA KEV catalog?

No. CVE-2021-27906 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-27906?

CVE-2021-27906 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-27906?

CVE-2021-27906 has an EPSS score of 3.34% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-27906?

Upgrade hyperion infrastructure technology to 11.2.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-27906

MEDIUMEPSS 87th pctl

5.5

CVSS v3

NVD

Description

A carefully crafted PDF file can trigger an OutOfMemory-Exception while loading the file. This issue affects Apache PDFBox version 2.0.22 and prior 2.0.x versions.

CWE-789

How to fix

Remediation Available

hyperion infrastructure technologyNVD

Affected:< 11.2.8.0Fixed in:11.2.8.0CVE-2021-27906derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.34%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch2

Vendor Advisory2

Third-Party Advisory1

oracle.com

Other references16

Related Vulnerabilities

Other CWE-789 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2026-49975	High	7.5	11%	-	Fix
CVE-2025-27533	High	7.5	8.5%	-	Fix
CVE-2017-7651	High	7.5	5.3%	-	Fix
CVE-2021-31811	Medium	5.5	3.4%	-	-
CVE-2024-43484	High	7.5	2.9%	-	Fix

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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.