CVE-2023-34937

View on CVE.org

Published Jun 28, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:h3c:magic_b1st_firmware:100r012:*:*:*:*:*:*:*

cpe:2.3:h:h3c:magic_b1st:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-38976	A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.848% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34937.md

History

Nov 27, 2024 5:15 PM First appearance in the feed. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		H3c magic
CPEs		cpe:2.3:h:h3c:magic::::::::
Vendors & Products		H3c magic
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

H3c Magic Magic B1st Magic B1st Firmware

Weaknesses

CWE-787

Sources

CVE record Updated: Nov 27, 2024, 4:28 PM

Status: PUBLISHED
Assigner: mitre
Published: Jun 28, 2023, 12:00 AM
Updated: Nov 27, 2024, 4:28 PM
Reserved: Jun 7, 2023, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 4:17 PM

Updated: Aug 2, 2024, 4:17 PM

NVD Updated: Jun 17, 2026, 6:04 AM

Status: Modified
Published: Jun 28, 2023, 3:15 PM
Modified: Jun 17, 2026, 6:04 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}, {"affectedData": [{"cpes": ["cpe:2.3:h:h3c:magic:*:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "product": "magic", "vendor": "h3c", "versions": [{"status": "affected", "version": "B1STV100R012"}]}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:h3c:magic_b1st_firmware:100r012:*:*:*:*:*:*:*", "matchCriteriaId": "0CD76D39-A823-4334-83E0-93CD2D0DF2FC", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:h3c:magic_b1st:-:*:*:*:*:*:*:*", "matchCriteriaId": "10848FA6-A3BF-4EED-82D8-10A6567C0EF4", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request."}], "id": "CVE-2023-34937", "lastModified": "2026-06-17T06:04:08.523", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-34937", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-27T16:27:40.300756Z", "version": "2.0.3"}}]}, "published": "2023-06-28T15:15:10.377", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34937.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34937.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}