High severity · published Jun 11, 2022
CVE-2022-30780
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…
7.5
CVSS
57.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)57.2% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Lighttpd · Lighttpd
1.4.56; 1.4.57; 1.4.58 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-30780
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-30780
Product
https://github.com/lighttpd/lighttpd1.4
Exploit
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service
Exploit
https://podalirius.net/en/cves/2022-30780/
Issue Tracking
https://redmine.lighttpd.net/issues/3059
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