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Vulnerability details: VCID-kccz-jzea-gqh2
Vulnerability ID VCID-kccz-jzea-gqh2
Aliases CVE-2023-44463
GHSA-j9gq-w73w-9h6c
PYSEC-2023-187
Summary An issue was discovered in pretix before 2023.7.1. Incorrect parsing of configuration files causes the application to trust unchecked X-Forwarded-For headers even though it has not been configured to do so. This can lead to IP address spoofing by users of the application.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-290 Authentication Bypass by Spoofing
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00157 https://api.first.org/data/v1/epss?cve=CVE-2023-44463
cvssv3.1 5.3 https://github.com/pretix/pretix
cvssv4 6.9 https://github.com/pretix/pretix
generic_textual MODERATE https://github.com/pretix/pretix
cvssv3.1 5.3 https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
cvssv4 6.9 https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
generic_textual MODERATE https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
ssvc Track https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
cvssv3.1 5.3 https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
cvssv4 6.9 https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
generic_textual MODERATE https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
ssvc Track https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
cvssv3.1 5.3 https://github.com/pretix/pretix/tags
cvssv4 6.9 https://github.com/pretix/pretix/tags
generic_textual MODERATE https://github.com/pretix/pretix/tags
ssvc Track https://github.com/pretix/pretix/tags
cvssv3.1 5.3 https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
cvssv4 6.9 https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2023-44463
cvssv4 6.9 https://nvd.nist.gov/vuln/detail/CVE-2023-44463
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2023-44463
cvssv3.1 5.3 https://pretix.eu/about/en/blog/20230911-release-2023-7-1
cvssv4 6.9 https://pretix.eu/about/en/blog/20230911-release-2023-7-1
generic_textual MODERATE https://pretix.eu/about/en/blog/20230911-release-2023-7-1
cvssv3.1 5.3 https://pretix.eu/about/en/blog/20230911-release-2023-7-1/
ssvc Track https://pretix.eu/about/en/blog/20230911-release-2023-7-1/
cvssv3.1 5.3 https://pretix.eu/about/en/ticketing
cvssv4 6.9 https://pretix.eu/about/en/ticketing
generic_textual MODERATE https://pretix.eu/about/en/ticketing
ssvc Track https://pretix.eu/about/en/ticketing
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2023-44463
https://github.com/pretix/pretix
https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
https://github.com/pretix/pretix/tags
https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
https://pretix.eu/about/en/blog/20230911-release-2023-7-1
https://pretix.eu/about/en/blog/20230911-release-2023-7-1/
https://pretix.eu/about/en/ticketing
CVE-2023-44463 https://nvd.nist.gov/vuln/detail/CVE-2023-44463
GHSA-j9gq-w73w-9h6c https://github.com/advisories/GHSA-j9gq-w73w-9h6c
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pretix/pretix
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pretix/pretix
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:17:16Z/ Found at https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:17:16Z/ Found at https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pretix/pretix/tags
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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none

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unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pretix/pretix/tags
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:17:16Z/ Found at https://github.com/pretix/pretix/tags
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/pretix/PYSEC-2023-187.yaml
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-44463
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

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required

unchanged

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2023-44463
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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present

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://pretix.eu/about/en/blog/20230911-release-2023-7-1
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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required

unchanged

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none

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://pretix.eu/about/en/blog/20230911-release-2023-7-1
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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passive

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://pretix.eu/about/en/blog/20230911-release-2023-7-1/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

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unchanged

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:17:16Z/ Found at https://pretix.eu/about/en/blog/20230911-release-2023-7-1/
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://pretix.eu/about/en/ticketing
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

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none

low

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required

unchanged

changed

high

low

none

high

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://pretix.eu/about/en/ticketing
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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passive

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Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-09-23T16:17:16Z/ Found at https://pretix.eu/about/en/ticketing
Exploit Prediction Scoring System (EPSS)
Percentile 0.36232
EPSS Score 0.00157
Published At May 30, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-05-30T20:32:45.395851+00:00 Pypa Importer Import https://github.com/pypa/advisory-database/blob/main/vulns/pretix/PYSEC-2023-187.yaml 38.6.0