9 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.974 High
EPSS
Percentile
99.9%
Debian Security Advisory DSA-4982-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
October 08, 2021 https://www.debian.org/security/faq
Package : apache2
CVE ID : CVE-2021-34798 CVE-2021-36160 CVE-2021-39275 CVE-2021-40438
Several vulnerabilities have been found in the Apache HTTP server, which
could result in denial of service. In addition a vulnerability was
discovered in mod_proxy with which an attacker could trick the server
to forward requests to arbitrary origin servers.
For the oldstable distribution (buster), these problems have been fixed
in version 2.4.38-3+deb10u6.
For the stable distribution (bullseye), these problems have been fixed in
version 2.4.51-1~deb11u1.
We recommend that you upgrade your apache2 packages.
For the detailed security status of apache2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/apache2
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | s390x | libapache2-mod-proxy-uwsgi | < 2.4.51-1~deb11u1 | libapache2-mod-proxy-uwsgi_2.4.51-1~deb11u1_s390x.deb |
Debian | 11 | mips64el | apache2-bin | < 2.4.51-1~deb11u1 | apache2-bin_2.4.51-1~deb11u1_mips64el.deb |
Debian | 10 | mips | apache2-utils-dbgsym | < 2.4.38-3+deb10u6 | apache2-utils-dbgsym_2.4.38-3+deb10u6_mips.deb |
Debian | 11 | s390x | apache2-utils | < 2.4.51-1~deb11u1 | apache2-utils_2.4.51-1~deb11u1_s390x.deb |
Debian | 10 | arm64 | apache2 | < 2.4.38-3+deb10u6 | apache2_2.4.38-3+deb10u6_arm64.deb |
Debian | 10 | armhf | apache2-ssl-dev | < 2.4.38-3+deb10u6 | apache2-ssl-dev_2.4.38-3+deb10u6_armhf.deb |
Debian | 11 | ppc64el | libapache2-mod-proxy-uwsgi | < 2.4.51-1~deb11u1 | libapache2-mod-proxy-uwsgi_2.4.51-1~deb11u1_ppc64el.deb |
Debian | 10 | mips64el | apache2-suexec-pristine-dbgsym | < 2.4.38-3+deb10u6 | apache2-suexec-pristine-dbgsym_2.4.38-3+deb10u6_mips64el.deb |
Debian | 10 | mips | apache2 | < 2.4.38-3+deb10u6 | apache2_2.4.38-3+deb10u6_mips.deb |
Debian | 10 | armhf | libapache2-mod-md | < 2.4.38-3+deb10u6 | libapache2-mod-md_2.4.38-3+deb10u6_armhf.deb |
9 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.974 High
EPSS
Percentile
99.9%