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Vulnerability details: VCID-4b33-2gjf-pqaz
Vulnerability ID VCID-4b33-2gjf-pqaz
Aliases CVE-2022-4721
GHSA-83pm-7v48-5jp4
PYSEC-2022-43007
Summary Failure to Sanitize Special Elements into a Different Plane (Special Element Injection) in GitHub repository ikus060/rdiffweb prior to 2.5.5.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-75 Failure to Sanitize Special Elements into a Different Plane (Special Element Injection)
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 0.00132 https://api.first.org/data/v1/epss?cve=CVE-2022-4721
epss 0.00132 https://api.first.org/data/v1/epss?cve=CVE-2022-4721
epss 0.00132 https://api.first.org/data/v1/epss?cve=CVE-2022-4721
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-83pm-7v48-5jp4
cvssv3.1 5.4 https://github.com/ikus060/rdiffweb
cvssv4 5.3 https://github.com/ikus060/rdiffweb
generic_textual MODERATE https://github.com/ikus060/rdiffweb
cvssv3 6.6 https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
cvssv3.1 5.4 https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
cvssv4 5.3 https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
generic_textual MODERATE https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
ssvc Track https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
cvssv3.1 5.4 https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.yaml
cvssv4 5.3 https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.yaml
generic_textual MODERATE https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.yaml
cvssv3 6.6 https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
cvssv3.1 5.4 https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
cvssv4 5.3 https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
generic_textual MODERATE https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
ssvc Track https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2022-4721
cvssv4 5.3 https://nvd.nist.gov/vuln/detail/CVE-2022-4721
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2022-4721
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2022-4721
https://github.com/advisories/GHSA-83pm-7v48-5jp4
https://github.com/ikus060/rdiffweb
https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.yaml
https://nvd.nist.gov/vuln/detail/CVE-2022-4721
3c48ef5d-da4d-4ee4-aaca-af65e7273720 https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
6afaae56a29536f0118b3380d296c416aa6d078d https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://github.com/ikus060/rdiffweb
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ikus060/rdiffweb
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H Found at https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-09T17:47:29Z/ Found at https://github.com/ikus060/rdiffweb/commit/6afaae56a29536f0118b3380d296c416aa6d078d
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.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

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://github.com/pypa/advisory-database/tree/main/vulns/rdiffweb/PYSEC-2022-43007.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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H Found at https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-04-09T17:47:29Z/ Found at https://huntr.dev/bounties/3c48ef5d-da4d-4ee4-aaca-af65e7273720
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-4721
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

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2022-4721
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

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.3227
EPSS Score 0.00132
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T17:39:03.327640+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2022/4xxx/CVE-2022-4721.json 38.6.0