CVE-2023-27516

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Published Oct 12, 2023 CVSS 3.1 · 7.3 High EPSS < 1% KEV · Not listed

Description

An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.

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

SoftEther VPN

SoftEther VPN

affected

Version	Status	Constraints
`4.41-9782-beta`	affected	—
`5.01.9674`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:softether:vpn:4.41-9782:beta::::::
	cpe:2.3:a:softether:vpn:5.01.9674:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-31278	An authentication bypass vulnerability exists in the CiRpcAccepted() functionality of SoftEther VPN 4.41-9782-beta and 5.01.9674. A specially crafted network packet can lead to unauthorized access. An attacker can send a network request to trigger this vulnerability.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.530% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1754
https://www.softether.org/9-about/News/904-SEVPN202301
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1754

History

No history.

Subscriptions

Softether Vpn

Weaknesses

Sources

CVE record Updated: Aug 2, 2024, 12:16 PM

Status: PUBLISHED
Assigner: talos
Published: Oct 12, 2023, 3:27 PM
Updated: Aug 2, 2024, 12:16 PM
Reserved: Jun 2, 2023, 2:34 PM

View source JSON

Vulnrichment Updated: Jul 31, 2024, 8:16 PM

Updated: Jul 31, 2024, 8:16 PM

NVD Updated: Jun 17, 2026, 5:45 AM

Status: Modified
Published: Oct 12, 2023, 4:15 PM
Modified: Jun 17, 2026, 5:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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