9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.738 High
EPSS
Percentile
98.0%
06/01/2021
High
Multiple vulnerabilities were found in Apache HTTP Server. Malicious users can exploit these vulnerabilities to cause denial of service, bypass security restrictions.
Apache HTTP Server earlier than 2.4.48
Update to the latest version
Download Apache HTTP Server
Fixed in Apache HTTP Server 2.4.48
ACE
CVE-2021-266919.8Critical
CVE-2021-266907.5Critical
CVE-2020-139385.5High
CVE-2021-316187.5Critical
CVE-2019-175675.3High
CVE-2020-354527.3High
CVE-2021-306415.3High
CVE-2020-139507.5Critical
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17567
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13938
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13950
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35452
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26690
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26691
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30641
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31618
httpd.apache.org/download.cgi
httpd.apache.org/security/vulnerabilities_24.html#2.4.48
statistics.securelist.com/vulnerability-scan/month
threats.kaspersky.com/en/product/Apache-HTTP-Server/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.8 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.738 High
EPSS
Percentile
98.0%