CVE & CISA-KEV Catalog

CVE-2021-27807

MEDIUMEPSS 86th pctl
5.5
CVSS v3
NVD

Description

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

How to fix

Remediation Available
hyperion infrastructure technologyNVD
Affected:< 11.2.8.0Fixed in:11.2.8.0CVE-2021-27807derived 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

2.98%probability of exploitation in 30 days
86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Related Vulnerabilities

Other CWE-834 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2021-35515High7.512%-Fix
CVE-2021-39924High7.54.9%-Fix
CVE-2023-1993Medium6.34.1%-Fix
CVE-2018-14342High7.53.7%-Fix
CVE-2020-14303High7.53.5%-Fix
CVE-2018-9133Medium6.53.2%-Fix

Common questions

How do I fix CVE-2021-27807?

Upgrade hyperion infrastructure technology to 11.2.8.0 or later.

Is CVE-2021-27807 being actively exploited?

Not that we know of. CVE-2021-27807 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 3.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 86% of all scored CVEs.

How severe is CVE-2021-27807?

CVE-2021-27807 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-27807 affect?

Published advisories record a fix for hyperion infrastructure technology (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2021-27807 severity badge

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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.