Is CVE-2021-30471 in the CISA KEV catalog?

No. CVE-2021-30471 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-30471?

CVE-2021-30471 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-30471?

CVE-2021-30471 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-30471?

Upgrade libpodofo on debian 12 to 0.9.8+dfsg-1 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2021-30471

MEDIUM

5.5

CVSS v3

NVD

Description

A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.

CWE-674

How to fix

Remediation Available

libpodofoDebian

Fixed in:0.9.8+dfsg-1CVE-2021-30471

libpodofoUbuntu

Fixed in:0.9.0-1.2ubuntu0.1~esm3USN-7217-1

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

libpodofo-utilsUbuntu

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

libpodofo0.9.0Ubuntu

Fixed in:0.9.0-1.2ubuntu0.1~esm3USN-7217-1

libpodofo0.9.3Ubuntu

Fixed in:0.9.3-4ubuntu0.1~esm1USN-7217-1

libpodofo0.9.5Ubuntu

Fixed in:0.9.5-9ubuntu0.1~esm1USN-7217-1

libpodofo0.9.6Ubuntu

Fixed in:0.9.6+dfsg-5ubuntu0.1~esm1USN-7217-1

libpodofo0.9.7Ubuntu

Fixed in:0.9.7+dfsg-3ubuntu0.1~esm1USN-7217-1

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

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Related Vulnerabilities

Other CWE-674 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2024-25111	High	8.6	65%	-	Fix
CVE-2023-50269	High	8.6	58%	-	Fix
CVE-2021-42697	High	7.5	36%	-	Fix
CVE-2018-0739	Medium	6.5	19%	-	Fix
CVE-2007-1285	High	7.5	18%	-	Fix

Embed a live status badge for CVE-2021-30471

Markdown

[![CVE-2021-30471](https://tridentstack.com/cve/badge/CVE-2021-30471.svg)](https://tridentstack.com/cve/CVE-2021-30471)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-30471"><img src="https://tridentstack.com/cve/badge/CVE-2021-30471.svg" alt="CVE-2021-30471"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.