What is the CVSS score of CVE-2021-20715?

CVE-2021-20715 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.9%.

Hot Pepper Gourmet CVE-2021-20715

MEDIUM

Missing Authorization (CWE-862)

2021-04-27 vultures@jpcert.or.jp

Google Apple Authentication Bypass Hot Pepper Gourmet

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

CVE Published

Apr 27, 2021 - 06:15 nvd

MEDIUM 4.3

DescriptionNVD

AnalysisAI

Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Improper access control vulnerability in Hot Pepper Gourmet App for Android ver.4.111.0 and earlier, and for iOS ver.4.111.0 and earlier allows a remote attacker to lead a user to access an arbitrary website via the vulnerable App. Affected products include: Recruit-Holdings Hot Pepper Gourmet.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.