Vulnerabilities > CVE-2023-25725

CVSS 9.1 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

haproxy

debian

critical

NVD

Published: 2023-02-14

Updated: 2024-11-21

Summary

HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.

Vulnerable Configurations

Part	Description	Count
Application	Haproxy Haproxy Haproxy 2.7.0 Haproxy Haproxy 2.7.1 Haproxy Haproxy 2.7.2 Haproxy Haproxy 2.6.0 Haproxy Haproxy 2.6.1 Haproxy Haproxy 2.6.2 Haproxy Haproxy 2.6.3 Haproxy Haproxy 2.6.4 Haproxy Haproxy 2.6.5 Haproxy Haproxy 2.6.6 Haproxy Haproxy 2.6.7 Haproxy Haproxy 2.6.8 Haproxy Haproxy 2.5.0 Haproxy Haproxy 2.5.1 Haproxy Haproxy 2.5.2 Haproxy Haproxy 2.5.3 Haproxy Haproxy 2.5.4 Haproxy Haproxy 2.5.5 Haproxy Haproxy 2.5.6 Haproxy Haproxy 2.5.7 Haproxy Haproxy 2.5.8 Haproxy Haproxy 2.5.9 Haproxy Haproxy 2.5.10 Haproxy Haproxy 2.5.11 Haproxy Haproxy 2.3.0 Haproxy Haproxy 2.3.1 Haproxy Haproxy 2.3.2 Haproxy Haproxy 2.3.3 Haproxy Haproxy 2.3.4 Haproxy Haproxy 2.3.5 Haproxy Haproxy 2.3.6 Haproxy Haproxy 2.3.7 Haproxy Haproxy 2.3.8 Haproxy Haproxy 2.3.9 Haproxy Haproxy 2.3.10 Haproxy Haproxy 2.3.11 Haproxy Haproxy 2.3.12 Haproxy Haproxy 2.3.13 Haproxy Haproxy 2.3.14 Haproxy Haproxy 2.3.15 Haproxy Haproxy 2.3.16 Haproxy Haproxy 2.3.17 Haproxy Haproxy 2.3.18 Haproxy Haproxy 2.3.19 Haproxy Haproxy 2.3.20 Haproxy Haproxy 2.3.21 Haproxy Haproxy 2.4.0 Haproxy Haproxy 2.4.1 Haproxy Haproxy 2.4.2 Haproxy Haproxy 2.4.3 Haproxy Haproxy 2.4.4 Haproxy Haproxy 2.4.5 Haproxy Haproxy 2.4.6 Haproxy Haproxy 2.4.7 Haproxy Haproxy 2.4.8 Haproxy Haproxy 2.4.9 Haproxy Haproxy 2.4.10 Haproxy Haproxy 2.4.11 Haproxy Haproxy 2.4.12 Haproxy Haproxy 2.4.13 Haproxy Haproxy 2.4.14 Haproxy Haproxy 2.4.15 Haproxy Haproxy 2.4.16 Haproxy Haproxy 2.4.17 Haproxy Haproxy 2.4.18 Haproxy Haproxy 2.4.19 Haproxy Haproxy 2.4.20 Haproxy Haproxy 2.4.21 Haproxy Haproxy 2.1.0 Haproxy Haproxy 2.1.1 Haproxy Haproxy 2.1.2 Haproxy Haproxy 2.1.3 Haproxy Haproxy 2.1.4 Haproxy Haproxy 2.1.5 Haproxy Haproxy 2.1.6 Haproxy Haproxy 2.1.7 Haproxy Haproxy 2.1.8 Haproxy Haproxy 2.1.9 Haproxy Haproxy 2.1.10 Haproxy Haproxy 2.1.11 Haproxy Haproxy 2.1.12 Haproxy Haproxy 2.2.0 Haproxy Haproxy 2.2.1 Haproxy Haproxy 2.2.2 Haproxy Haproxy 2.2.3 Haproxy Haproxy 2.2.4 Haproxy Haproxy 2.2.5 Haproxy Haproxy 2.2.6 Haproxy Haproxy 2.2.7 Haproxy Haproxy 2.2.8 Haproxy Haproxy 2.2.9 Haproxy Haproxy 2.2.10 Haproxy Haproxy 2.2.11 Haproxy Haproxy 2.2.12 Haproxy Haproxy 2.2.13 Haproxy Haproxy 2.2.14 Haproxy Haproxy 2.2.15 Haproxy Haproxy 2.2.16 Haproxy Haproxy 2.2.17 Haproxy Haproxy 2.2.18 Haproxy Haproxy 2.2.19 Haproxy Haproxy 2.2.20 Haproxy Haproxy 2.2.21 Haproxy Haproxy 2.2.22 Haproxy Haproxy 2.2.23 Haproxy Haproxy 2.2.24 Haproxy Haproxy 2.2.25 Haproxy Haproxy 2.2.26 Haproxy Haproxy 2.2.27 Haproxy Haproxy 2.2.28 Haproxy Haproxy - Haproxy Haproxy 1.0.0 Haproxy Haproxy 1.0.1 Haproxy Haproxy 1.0.2 Haproxy Haproxy 1.1.0 Haproxy Haproxy 1.1.1 Haproxy Haproxy 1.1.2 Haproxy Haproxy 1.1.3 Haproxy Haproxy 1.1.4 Haproxy Haproxy 1.1.5 Haproxy Haproxy 1.1.6 Haproxy Haproxy 1.1.7 Haproxy Haproxy 1.1.8 Haproxy Haproxy 1.1.9 Haproxy Haproxy 1.1.10 Haproxy Haproxy 1.1.11 Haproxy Haproxy 1.1.12 Haproxy Haproxy 1.1.13 Haproxy Haproxy 1.1.14 Haproxy Haproxy 1.1.15 Haproxy Haproxy 1.1.16 Haproxy Haproxy 1.1.17 Haproxy Haproxy 1.1.18 Haproxy Haproxy 1.1.19 Haproxy Haproxy 1.1.20 Haproxy Haproxy 1.1.21 Haproxy Haproxy 1.1.22 Haproxy Haproxy 1.1.23 Haproxy Haproxy 1.1.24 Haproxy Haproxy 1.1.25 Haproxy Haproxy 1.1.26 Haproxy Haproxy 1.1.27 Haproxy Haproxy 1.2.0 Haproxy Haproxy 1.2.1 Haproxy Haproxy 1.2.2 Haproxy Haproxy 1.2.3 Haproxy Haproxy 1.2.4 Haproxy Haproxy 1.2.5 Haproxy Haproxy 1.2.5.1 Haproxy Haproxy 1.2.5.2 Haproxy Haproxy 1.2.6 Haproxy Haproxy 1.2.7 Haproxy Haproxy 1.2.7.1 Haproxy Haproxy 1.2.8 Haproxy Haproxy 1.2.9 Haproxy Haproxy 1.2.10 Haproxy Haproxy 1.2.10.1 Haproxy Haproxy 1.2.11 Haproxy Haproxy 1.2.11.1 Haproxy Haproxy 1.2.12 Haproxy Haproxy 1.2.13 Haproxy Haproxy 1.2.13.1 Haproxy Haproxy 1.2.14 Haproxy Haproxy 1.2.15 Haproxy Haproxy 1.2.16 Haproxy Haproxy 1.2.17 Haproxy Haproxy 1.2.18 Haproxy Haproxy 1.3.0 Haproxy Haproxy 1.3.1 Haproxy Haproxy 1.3.2 Haproxy Haproxy 1.3.3 Haproxy Haproxy 1.3.4 Haproxy Haproxy 1.3.5 Haproxy Haproxy 1.3.6 Haproxy Haproxy 1.3.6.1 Haproxy Haproxy 1.3.7 Haproxy Haproxy 1.3.8 Haproxy Haproxy 1.3.8.1 Haproxy Haproxy 1.3.8.2 Haproxy Haproxy 1.3.9 Haproxy Haproxy 1.3.10 Haproxy Haproxy 1.3.10.1 Haproxy Haproxy 1.3.10.2 Haproxy Haproxy 1.3.11 Haproxy Haproxy 1.3.11.1 Haproxy Haproxy 1.3.11.2 Haproxy Haproxy 1.3.11.3 Haproxy Haproxy 1.3.11.4 Haproxy Haproxy 1.3.12 Haproxy Haproxy 1.3.12.1 Haproxy Haproxy 1.3.12.2 Haproxy Haproxy 1.3.12.3 Haproxy Haproxy 1.3.12.4 Haproxy Haproxy 1.3.13 Haproxy Haproxy 1.3.13.1 Haproxy Haproxy 1.3.13.2 Haproxy Haproxy 1.3.14 Haproxy Haproxy 1.3.14.1 Haproxy Haproxy 1.3.14.2 Haproxy Haproxy 1.3.14.3 Haproxy Haproxy 1.3.14.4 Haproxy Haproxy 1.3.14.5 Haproxy Haproxy 1.3.14.6 Haproxy Haproxy 1.3.14.7 Haproxy Haproxy 1.3.14.8 Haproxy Haproxy 1.3.14.9 Haproxy Haproxy 1.3.14.10 Haproxy Haproxy 1.3.14.11 Haproxy Haproxy 1.3.14.12 Haproxy Haproxy 1.3.14.13 Haproxy Haproxy 1.3.14.14 Haproxy Haproxy 1.3.15 Haproxy Haproxy 1.3.15.1 Haproxy Haproxy 1.3.15.2 Haproxy Haproxy 1.3.15.3 Haproxy Haproxy 1.3.15.4 Haproxy Haproxy 1.3.15.5 Haproxy Haproxy 1.3.15.6 Haproxy Haproxy 1.3.15.7 Haproxy Haproxy 1.3.15.8 Haproxy Haproxy 1.3.15.9 Haproxy Haproxy 1.3.15.10 Haproxy Haproxy 1.3.15.11 Haproxy Haproxy 1.3.16 Haproxy Haproxy 1.3.17 Haproxy Haproxy 1.3.18 Haproxy Haproxy 1.3.19 Haproxy Haproxy 1.3.20 Haproxy Haproxy 1.3.21 Haproxy Haproxy 1.3.22 Haproxy Haproxy 1.3.23 Haproxy Haproxy 1.4 Haproxy Haproxy 1.4.0 Haproxy Haproxy 1.4.1 Haproxy Haproxy 1.4.2 Haproxy Haproxy 1.4.3 Haproxy Haproxy 1.4.4 Haproxy Haproxy 1.4.5 Haproxy Haproxy 1.4.6 Haproxy Haproxy 1.4.7 Haproxy Haproxy 1.4.8 Haproxy Haproxy 1.4.9 Haproxy Haproxy 1.4.10 Haproxy Haproxy 1.4.11 Haproxy Haproxy 1.4.12 Haproxy Haproxy 1.4.13 Haproxy Haproxy 1.4.14 Haproxy Haproxy 1.4.15 Haproxy Haproxy 1.4.16 Haproxy Haproxy 1.4.17 Haproxy Haproxy 1.4.18 Haproxy Haproxy 1.4.19 Haproxy Haproxy 1.4.20 Haproxy Haproxy 1.4.21 Haproxy Haproxy 1.4.22 Haproxy Haproxy 1.4.23 Haproxy Haproxy 1.4.24 Haproxy Haproxy 1.4.25 Haproxy Haproxy 1.4.26 Haproxy Haproxy 1.4.27 Haproxy Haproxy 1.5 Haproxy Haproxy 1.5.0 Haproxy Haproxy 1.5.1 Haproxy Haproxy 1.5.2 Haproxy Haproxy 1.5.3 Haproxy Haproxy 1.5.4 Haproxy Haproxy 1.5.5 Haproxy Haproxy 1.5.6 Haproxy Haproxy 1.5.7 Haproxy Haproxy 1.5.8 Haproxy Haproxy 1.5.9 Haproxy Haproxy 1.5.10 Haproxy Haproxy 1.5.11 Haproxy Haproxy 1.5.12 Haproxy Haproxy 1.5.13 Haproxy Haproxy 1.5.14 Haproxy Haproxy 1.5.15 Haproxy Haproxy 1.5.16 Haproxy Haproxy 1.5.17 Haproxy Haproxy 1.5.18 Haproxy Haproxy 1.6 Haproxy Haproxy 1.6.0 Haproxy Haproxy 1.6.1 Haproxy Haproxy 1.6.2 Haproxy Haproxy 1.6.3 Haproxy Haproxy 1.6.4 Haproxy Haproxy 1.6.5 Haproxy Haproxy 1.6.6 Haproxy Haproxy 1.6.7 Haproxy Haproxy 1.6.8 Haproxy Haproxy 1.6.9 Haproxy Haproxy 1.6.10 Haproxy Haproxy 1.6.11 Haproxy Haproxy 1.6.12 Haproxy Haproxy 1.6.13 Haproxy Haproxy 1.6.14 Haproxy Haproxy 1.7.0 Haproxy Haproxy 1.7.1 Haproxy Haproxy 1.7.2 Haproxy Haproxy 1.7.3 Haproxy Haproxy 1.7.4 Haproxy Haproxy 1.7.5 Haproxy Haproxy 1.7.6 Haproxy Haproxy 1.7.7 Haproxy Haproxy 1.7.8 Haproxy Haproxy 1.7.9 Haproxy Haproxy 1.7.10 Haproxy Haproxy 1.7.11 Haproxy Haproxy 1.8.0 Haproxy Haproxy 1.8.1 Haproxy Haproxy 1.8.2 Haproxy Haproxy 1.8.3 Haproxy Haproxy 1.8.4 Haproxy Haproxy 1.8.5 Haproxy Haproxy 1.8.6 Haproxy Haproxy 1.8.7 Haproxy Haproxy 1.8.8 Haproxy Haproxy 1.8.9 Haproxy Haproxy 1.8.10 Haproxy Haproxy 1.8.11 Haproxy Haproxy 1.8.12 Haproxy Haproxy 1.8.13 Haproxy Haproxy 1.8.14 Haproxy Haproxy 1.8.15 Haproxy Haproxy 1.8.16 Haproxy Haproxy 1.8.17 Haproxy Haproxy 1.8.18 Haproxy Haproxy 1.8.19 Haproxy Haproxy 1.8.20 Haproxy Haproxy 1.8.21 Haproxy Haproxy 1.9.0 Haproxy Haproxy 1.9.1 Haproxy Haproxy 1.9.2 Haproxy Haproxy 1.9.3 Haproxy Haproxy 1.9.4 Haproxy Haproxy 1.9.5 Haproxy Haproxy 1.9.6 Haproxy Haproxy 1.9.7 Haproxy Haproxy 1.9.8 Haproxy Haproxy 1.9.9 Haproxy Haproxy 1.9.10 Haproxy Haproxy 2.0.0 Haproxy Haproxy 2.0.1 Haproxy Haproxy 2.0.2 Haproxy Haproxy 2.0.3 Haproxy Haproxy 2.0.4 Haproxy Haproxy 2.0.5 Haproxy Haproxy 2.0.6 Haproxy Haproxy 2.0.7 Haproxy Haproxy 2.0.8 Haproxy Haproxy 2.0.9 Haproxy Haproxy 2.0.10 Haproxy Haproxy 2.0.11 Haproxy Haproxy 2.0.12 Haproxy Haproxy 2.0.13 Haproxy Haproxy 2.0.14 Haproxy Haproxy 2.0.15 Haproxy Haproxy 2.0.16 Haproxy Haproxy 2.0.17 Haproxy Haproxy 2.0.18 Haproxy Haproxy 2.0.19 Haproxy Haproxy 2.0.20 Haproxy Haproxy 2.0.21 Haproxy Haproxy 2.0.22 Haproxy Haproxy 2.0.23 Haproxy Haproxy 2.0.24 Haproxy Haproxy 2.0.25 Haproxy Haproxy 2.0.26 Haproxy Haproxy 2.0.27 Haproxy Haproxy 2.0.28 Haproxy Haproxy 2.0.29 Haproxy Haproxy 2.0.30	405
OS	Debian Debian Debian Linux 10.0 Debian Debian Linux 11.0	2

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Summary

Vulnerable Configurations

References

Vulnerabilities > CVE-2023-25725