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Vulnerability details: VCID-ub3h-nkxq-uke5
Vulnerability ID VCID-ub3h-nkxq-uke5
Aliases CVE-2021-43807
GHSA-j4mm-7pj3-jf7v
Summary HTTP Method Spoofing
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-290 Authentication Bypass by Spoofing
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-352 Cross-Site Request Forgery (CSRF)
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2021-43807
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2021-43807
epss 0.00389 https://api.first.org/data/v1/epss?cve=CVE-2021-43807
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-j4mm-7pj3-jf7v
cvssv3.1 7.5 https://github.com/opencast/opencast
generic_textual HIGH https://github.com/opencast/opencast
cvssv3.1 7.5 https://github.com/opencast/opencast/commit/59cb6731067283e54f15462be38b6117d8b9ea8b#diff-9c5fb3d1b7e3b0f54bc5c4182965c4fe1f9023d449017cece3005d3f90e8e4d8
generic_textual HIGH https://github.com/opencast/opencast/commit/59cb6731067283e54f15462be38b6117d8b9ea8b#diff-9c5fb3d1b7e3b0f54bc5c4182965c4fe1f9023d449017cece3005d3f90e8e4d8
cvssv3.1 7.5 https://github.com/opencast/opencast/commit/8f8271e1085f6f8e306c689d6a56b0bb8d076444
generic_textual HIGH https://github.com/opencast/opencast/commit/8f8271e1085f6f8e306c689d6a56b0bb8d076444
cvssv3.1 7.5 https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v
cvssv3.1_qr HIGH https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v
generic_textual HIGH https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2021-43807
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2021-43807
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-43807
https://github.com/opencast/opencast
https://github.com/opencast/opencast/commit/59cb6731067283e54f15462be38b6117d8b9ea8b#diff-9c5fb3d1b7e3b0f54bc5c4182965c4fe1f9023d449017cece3005d3f90e8e4d8
https://github.com/opencast/opencast/commit/8f8271e1085f6f8e306c689d6a56b0bb8d076444
CVE-2021-43807 https://nvd.nist.gov/vuln/detail/CVE-2021-43807
GHSA-j4mm-7pj3-jf7v https://github.com/advisories/GHSA-j4mm-7pj3-jf7v
GHSA-j4mm-7pj3-jf7v https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencast/opencast
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencast/opencast/commit/59cb6731067283e54f15462be38b6117d8b9ea8b#diff-9c5fb3d1b7e3b0f54bc5c4182965c4fe1f9023d449017cece3005d3f90e8e4d8
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencast/opencast/commit/8f8271e1085f6f8e306c689d6a56b0bb8d076444
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/opencast/opencast/security/advisories/GHSA-j4mm-7pj3-jf7v
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:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-43807
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.60359
EPSS Score 0.00389
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:27:21.132365+00:00 GHSA Importer Import https://github.com/advisories/GHSA-j4mm-7pj3-jf7v 38.6.0