4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.248 Low
EPSS
Percentile
96.7%
The mod_proxy_ajp module in the Apache HTTP Server before 2.2.21, when used with mod_proxy_balancer in certain configurations, allows remote attackers to cause a denial of service (temporary “error state” in the backend server) via a malformed HTTP request.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | apache2 | < 2.2.21-1 | apache2_2.2.21-1_all.deb |
Debian | 11 | all | apache2 | < 2.2.21-1 | apache2_2.2.21-1_all.deb |
Debian | 999 | all | apache2 | < 2.2.21-1 | apache2_2.2.21-1_all.deb |
Debian | 13 | all | apache2 | < 2.2.21-1 | apache2_2.2.21-1_all.deb |