CVE-2023-50463

The caddy-geo-ip (aka GeoIP) middleware through 0.6.0 for Caddy 2, when trust_header X-Forwarded-For is used, allows attackers to spoof their source IP address via an X-Forwarded-For header, which may bypass a protection mechanism (trusted_proxy directive in reverse_proxy or IP address range restrictions).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
caddyservercaddy
𝑥
≤ 0.6.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://caddyserver.com/v2
https://github.com/shift72/caddy-geo-ip/issues/4
https://github.com/shift72/caddy-geo-ip/tags
https://caddyserver.com/v2
https://github.com/shift72/caddy-geo-ip/issues/4
https://github.com/shift72/caddy-geo-ip/tags