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Vulnerability details: VCID-tw8y-th2e-x7ex
Vulnerability ID VCID-tw8y-th2e-x7ex
Aliases CVE-2023-6237
Summary openssl: Excessive time spent checking invalid RSA public keys
Status Published
Exploitability 0.5
Weighted Severity 5.3
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-400 Uncontrolled Resource Consumption
CWE-606 Unchecked Input for Loop Condition
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6237.json
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
epss 0.00524 https://api.first.org/data/v1/epss?cve=CVE-2023-6237
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.9 https://github.com/openssl/openssl/commit/0b0f7abfb37350794a4b8960fafc292cd5d1b84d
ssvc Track https://github.com/openssl/openssl/commit/0b0f7abfb37350794a4b8960fafc292cd5d1b84d
cvssv3.1 5.9 https://github.com/openssl/openssl/commit/18c02492138d1eb8b6548cb26e7b625fb2414a2a
ssvc Track https://github.com/openssl/openssl/commit/18c02492138d1eb8b6548cb26e7b625fb2414a2a
cvssv3.1 5.9 https://github.com/openssl/openssl/commit/a830f551557d3d66a84bbb18a5b889c640c36294
ssvc Track https://github.com/openssl/openssl/commit/a830f551557d3d66a84bbb18a5b889c640c36294
cvssv3.1 5.9 https://www.openssl.org/news/secadv/20240115.txt
ssvc Track https://www.openssl.org/news/secadv/20240115.txt
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6237.json
https://api.first.org/data/v1/epss?cve=CVE-2023-6237
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
0b0f7abfb37350794a4b8960fafc292cd5d1b84d https://github.com/openssl/openssl/commit/0b0f7abfb37350794a4b8960fafc292cd5d1b84d
1060858 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1060858
18c02492138d1eb8b6548cb26e7b625fb2414a2a https://github.com/openssl/openssl/commit/18c02492138d1eb8b6548cb26e7b625fb2414a2a
20240115.txt https://www.openssl.org/news/secadv/20240115.txt
2258502 https://bugzilla.redhat.com/show_bug.cgi?id=2258502
a830f551557d3d66a84bbb18a5b889c640c36294 https://github.com/openssl/openssl/commit/a830f551557d3d66a84bbb18a5b889c640c36294
RHSA-2024:2447 https://access.redhat.com/errata/RHSA-2024:2447
RHSA-2024:9088 https://access.redhat.com/errata/RHSA-2024:9088
USN-6622-1 https://usn.ubuntu.com/6622-1/
USN-7894-1 https://usn.ubuntu.com/7894-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6237.json
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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none

required

unchanged

changed

high

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none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.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

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none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/openssl/openssl/commit/0b0f7abfb37350794a4b8960fafc292cd5d1b84d
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

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high

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-20T14:44:52Z/ Found at https://github.com/openssl/openssl/commit/0b0f7abfb37350794a4b8960fafc292cd5d1b84d
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/openssl/openssl/commit/18c02492138d1eb8b6548cb26e7b625fb2414a2a
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-20T14:44:52Z/ Found at https://github.com/openssl/openssl/commit/18c02492138d1eb8b6548cb26e7b625fb2414a2a
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://github.com/openssl/openssl/commit/a830f551557d3d66a84bbb18a5b889c640c36294
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-20T14:44:52Z/ Found at https://github.com/openssl/openssl/commit/a830f551557d3d66a84bbb18a5b889c640c36294
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://www.openssl.org/news/secadv/20240115.txt
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-08-20T14:44:52Z/ Found at https://www.openssl.org/news/secadv/20240115.txt
Exploit Prediction Scoring System (EPSS)
Percentile 0.66906
EPSS Score 0.00524
Published At April 7, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T13:50:26.851109+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-6237.json 38.0.0