CVE-2012-4557

The mod_proxy_ajp module in the Apache HTTP Server 2.2.12 through 2.2.21 places a worker node into an error state upon detection of a long request-processing time, which allows remote attackers to cause a denial of service (worker consumption) via an expensive request.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
redhatCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 96%
VendorProductVersion
apachehttp_server
2.2.12
apachehttp_server
2.2.13
apachehttp_server
2.2.14
apachehttp_server
2.2.15
apachehttp_server
2.2.16
apachehttp_server
2.2.17
apachehttp_server
2.2.18
apachehttp_server
2.2.19
apachehttp_server
2.2.20
apachehttp_server
2.2.21
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bullseye
2.4.62-1~deb11u1
fixed
bullseye (security)
2.4.62-1~deb11u2
fixed
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
quantal
not-affected
precise
not-affected
oneiric
Fixed 2.2.20-1ubuntu1.4
released
lucid
Fixed 2.2.14-5ubuntu8.11
released
hardy
Fixed 2.2.8-1ubuntu0.25
released
Common Weakness Enumeration
References