Vulnerability Details : CVE-2022-30780
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2022-30780
- cpe:2.3:a:lighttpd:lighttpd:1.4.57:*:*:*:*:*:*:*
- cpe:2.3:a:lighttpd:lighttpd:1.4.58:*:*:*:*:*:*:*
- cpe:2.3:a:lighttpd:lighttpd:1.4.56:*:*:*:*:*:*:*
Threat overview for CVE-2022-30780
Top countries where our scanners detected CVE-2022-30780
Top open port discovered on systems with this issue
80
IPs affected by CVE-2022-30780 11,655
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2022-30780!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2022-30780
24.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-30780
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-30780
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-30780
-
https://github.com/p0dalirius/CVE-2022-30780-lighttpd-denial-of-service
GitHub - p0dalirius/CVE-2022-30780-lighttpd-denial-of-service: CVE-2022-30780 - lighttpd remote denial of serviceExploit;Third Party Advisory
-
https://podalirius.net/en/cves/2022-30780/
CVE-2022-30780 - Lighttpd - Denial of Service ยท PodaliriusExploit;Third Party Advisory
-
https://redmine.lighttpd.net/issues/3059
Bug #3059: Connections stuck in Close_Wait causing 100% cpu usage - Lighttpd - lighty labsIssue Tracking;Patch;Vendor Advisory
-
https://github.com/lighttpd/lighttpd1.4
GitHub - lighttpd/lighttpd1.4: lighttpd1.4 on github for easier collaboration - main repo still on lighttpd.netProduct;Third Party Advisory
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