CVSS2
Attack Vector
NETWORK
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
99.7%
James Kettle discovered that the Apache HTTP Server HTTP/2 module
incorrectly handled certain crafted methods. A remote attacker could
possibly use this issue to perform request splitting or cache poisoning
attacks. (CVE-2021-33193)
It was discovered that the Apache HTTP Server incorrectly handled certain
malformed requests. A remote attacker could possibly use this issue to
cause the server to crash, resulting in a denial of service.
(CVE-2021-34798)
Li Zhi Xin discovered that the Apache mod_proxy_uwsgi module incorrectly
handled certain request uri-paths. A remote attacker could possibly use
this issue to cause the server to crash, resulting in a denial of service.
This issue only affected Ubuntu 20.04 LTS and Ubuntu 21.04.
(CVE-2021-36160)
It was discovered that the Apache HTTP Server incorrectly handled escaping
quotes. If the server was configured with third-party modules, a remote
attacker could use this issue to cause the server to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2021-39275)
It was discovered that the Apache mod_proxy module incorrectly handled
certain request uri-paths. A remote attacker could possibly use this issue
to cause the server to forward requests to arbitrary origin servers.
(CVE-2021-40438)
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 21.04 | noarch | apache2 | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-bin | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-bin-dbgsym | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-data | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-dev | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-doc | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-ssl-dev | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-suexec-custom | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-suexec-custom-dbgsym | < 2.4.46-4ubuntu1.2 | UNKNOWN |
Ubuntu | 21.04 | noarch | apache2-suexec-pristine | < 2.4.46-4ubuntu1.2 | UNKNOWN |
CVSS2
Attack Vector
NETWORK
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
99.7%