CVE-2021-37147
Request Smuggling - LF line ending
HIGH
7.5
CVSS Score
Published: November 3, 2021 at 03:20 PM UTC
Updated: June 17, 2026 at 04:00 AM UTC
2 products affected across 2 vendorsDebian LinuxTraffic Server
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Severity
HIGH7.5
Exploit prediction
EPSS 3%
Description
Improper input validation vulnerability in header parsing of Apache Traffic Server allows an attacker to smuggle requests. This issue affects Apache Traffic Server 8.0.0 to 8.1.2 and 9.0.0 to 9.1.0.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
8.0.0 ≤ v ≤ 8.1.28.0.0 ≤ v ≤ 9.1.09.0.0 ≤ v ≤ 9.1.0
Debian Linux· Debiandrupal
95%Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCMailing ListPatchVendor Advisory
Source: [email protected]
https://lists.apache.org/thread/k01797hyncx53659wr3o72s5cvkc3164Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2022/dsa-5153CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20CWE-444
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