Cyber Resilience

CVE-2021-35236

Low

Published: 27 October 2021

Published
27 October 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS Score 0.0050 66.3th percentile
Risk Priority 6 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-35236 is a low-severity Sensitive Cookie in HTTPS Session Without 'Secure' Attribute (CWE-614) vulnerability in Solarwinds Kiwi Syslog Server. Its CVSS base score is 3.1 (Low).

Operationally, ranked in the top 33.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The Secure flag is not set in the SSL Cookie of Kiwi Syslog Server 9.7.2 and previous versions. The Secure attribute tells the browser to only send the cookie if the request is being sent over a secure channel such…

more

as HTTPS. This will help protect the cookie from being passed over unencrypted requests. If the application can be accessed over both HTTP, there is a potential for the cookie can be sent in clear text.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

solarwinds
kiwi syslog server
≤ 9.7.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-311

Privacy and security training stresses encryption of sensitive data, reducing missing encryption weaknesses.

addresses: CWE-311

Exchange agreements must document security requirements, which would include encryption to protect sensitive data in transit.

addresses: CWE-311

The map highlights data actions that involve sensitive data, enabling identification of missing encryption requirements.

addresses: CWE-311

Settings can require encryption of sensitive data, preventing missing encryption weaknesses.

addresses: CWE-311

Architectures must describe confidentiality protections, which includes mandating encryption for sensitive data in transit and at rest.

addresses: CWE-311

Privacy and security curricula stress encryption requirements, reducing missing encryption of sensitive data.

addresses: CWE-311

Requires encryption and similar controls for CUI processed or stored externally, preventing missing encryption of sensitive data.

addresses: CWE-311

Monitoring detects missing encryption of sensitive data in storage or transit configurations.

References