CVE-2023-54397

EUVD-2023-60690
Tornado before 6.3.3 contains an HTTP request smuggling vulnerability due to improper parsing of Content-Length headers accepting non-standard characters. Attackers can send crafted HTTP requests with these characters to bypass proxy validation and smuggle requests when deployed behind certain proxies.
HTTP Request/Response Smuggling
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 31.71%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
tornadowebtornado
𝑥
< 6.3.3
CNA
Debian logo
Debian Releases
Debian Product
Codename
python-tornado
bookworm
vulnerable
bookworm (security)
vulnerable
forky
6.5.5-5
fixed
sid
6.5.5-5
fixed
trixie
6.4.2-3+deb13u2
fixed
trixie (security)
6.4.2-3+deb13u2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-tornado
bionic
Fixed in 4.5.3-1ubuntu0.2+esm4
released
focal
Fixed in 6.0.3+really5.1.1-3ubuntu0.1~esm6
released
jammy
Fixed in 6.1.0-3ubuntu0.1~esm6
released
noble
not-affected
resolute
not-affected
stonking
not-affected
xenial
Fixed in 4.2.1-1ubuntu3.1+esm4
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
python3-tornado
suse enterprise sap 15 SP4
4.5.3-150000.3.31.1
fixed
suse enterprise sap 15 SP5
4.5.3-150000.3.31.1
fixed
suse enterprise sap 15 SP6
4.5.3-150000.3.31.1
fixed
suse enterprise server 15 SP4
4.5.3-150000.3.31.1
fixed
suse enterprise server 15 SP5
4.5.3-150000.3.31.1
fixed
suse enterprise server 15 SP6
4.5.3-150000.3.31.1
fixed
python311-tornado6
suse enterprise sap 15 SP4
6.3.2-150400.9.27.1
fixed
suse enterprise sap 15 SP5
6.3.2-150400.9.27.1
fixed
suse enterprise sap 15 SP6
6.3.2-150400.9.27.1
fixed
suse enterprise server 15 SP4
6.3.2-150400.9.27.1
fixed
suse enterprise server 15 SP5
6.3.2-150400.9.27.1
fixed
suse enterprise server 15 SP6
6.3.2-150400.9.27.1
fixed