Is CVE-2021-34429 in the CISA KEV catalog?

No. CVE-2021-34429 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34429?

CVE-2021-34429 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-34429?

CVE-2021-34429 has an EPSS score of 99.30% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34429?

Upgrade jetty9 on debian 11 to 9.4.39-3 or later.

CVE & CISA-KEV Catalog

CVE-2021-34429

MEDIUMEPSS 100th pctl

5.3

CVSS v3

NVD

Description

For Eclipse Jetty versions 9.4.37-9.4.42, 10.0.1-10.0.5 & 11.0.1-11.0.5, URIs can be crafted using some encoded characters to access the content of the WEB-INF directory and/or bypass some security constraints. This is a variation of the vulnerability reported in CVE-2021-28164/GHSA-v7ff-8wcx-gmc5.

CWE-200Information Exposure CWE-551

How to fix

Remediation Available

jetty9Debian

Fixed in:9.4.39-3CVE-2021-34429

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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

99.30%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

References

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix
CVE-2009-0580	Medium	4.3	94%	-	-

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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.