Is CVE-2022-30780 in the CISA KEV catalog?

No. CVE-2022-30780 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-30780?

CVE-2022-30780 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-30780?

CVE-2022-30780 has an EPSS score of 56.42% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-30780?

Upgrade lighttpd on debian 11 to 1.4.59-1 or later.

CVE & CISA-KEV Catalog

CVE-2022-30780

HIGHEPSS 99th pctl

7.5

CVSS v3

NVD

Description

Lighttpd 1.4.56 through 1.4.58 allows a remote attacker to cause a denial of service (CPU consumption from stuck connections) because connection_read_header_more in connections.c has a typo that disrupts use of multiple read operations on large headers.

CWE-682

How to fix

Remediation Available

lighttpdDebian

Fixed in:1.4.59-1CVE-2022-30780

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

56.42%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Patch1

redmine.lighttpd.net

Exploit2

Third-Party Advisory1

github.com

Related Vulnerabilities

Other CWE-682 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-14422	Medium	5.9	12%	-	Fix
CVE-2016-7433	Medium	5.3	9.8%	-	Fix
CVE-2023-35641	High	8.8	7.2%	-	Fix
CVE-2018-8319	Critical	9.8	7.0%	-	-
CVE-2020-0022	High	8.8	5.4%	-	Fix
CVE-2022-30600	Critical	9.8	5.0%	-	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.