What is the CVSS score of CVE-2021-42115?

CVE-2021-42115 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.2%.

Topease CVE-2021-42115

CRITICAL

Sensitive Cookie Without 'HttpOnly' Flag (CWE-1004)

2021-11-30 vulnerability@ncsc.ch

Privilege Escalation Topease

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Nov 30, 2021 - 12:15 nvd

CRITICAL 9.1

DescriptionNVD

Missing HTTPOnly flag in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an unauthenticated remote attacker to escalate privileges from unauthenticated to authenticated user via stealing and injecting the session- independent and static cookie UID.

AnalysisAI

Missing HTTPOnly flag in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an unauthenticated remote attacker to escalate privileges from. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-1004. Missing HTTPOnly flag in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 allows an unauthenticated remote attacker to escalate privileges from unauthenticated to authenticated user via stealing and injecting the session- independent and static cookie UID. Affected products include: Businessdnasolutions Topease.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.