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Vulnerability details: VCID-wbdc-jg9s-vqbp
Vulnerability ID VCID-wbdc-jg9s-vqbp
Aliases CVE-2021-3680
GHSA-8vh3-29mr-m9xg
Summary
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (4)
CWE-326 Inadequate Encryption Strength
CWE-347 Improper Verification of Cryptographic Signature
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2021-3680
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2021-3680
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-8vh3-29mr-m9xg
cvssv3.1 4.9 https://github.com/star7th/showdoc
generic_textual MODERATE https://github.com/star7th/showdoc
cvssv3.1 4.9 https://github.com/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.php#L20
generic_textual MODERATE https://github.com/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.php#L20
cvssv3.1 4.9 https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
generic_textual MODERATE https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
cvssv3.1 4.9 https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
generic_textual MODERATE https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
cvssv3.1 4.9 https://nvd.nist.gov/vuln/detail/CVE-2021-3680
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-3680
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-3680
https://github.com/star7th/showdoc
https://github.com/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.php#L20
https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
https://nvd.nist.gov/vuln/detail/CVE-2021-3680
GHSA-8vh3-29mr-m9xg https://github.com/advisories/GHSA-8vh3-29mr-m9xg
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/star7th/showdoc
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:H/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/star7th/showdoc/blob/fd1740234a12804b45af9cac3563567d83ba414d/server/Application/Home/Model/UserModel.class.php#L20
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:H/UI:N/S:U/C:N/I:H/A:N Found at https://github.com/star7th/showdoc/commit/4b962c1740311e0d46775023b6acba39ad60e370
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:H/UI:N/S:U/C:N/I:H/A:N Found at https://huntr.dev/bounties/76b49607-fba9-4100-9be7-cb459fe6cfe2
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:H/UI:N/S:U/C:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-3680
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 0.2709
EPSS Score 0.00099
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-12T02:02:39.745850+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 38.6.0