Cyber Resilience

CVE-2023-33405

MediumPublic PoC

Published: 21 June 2023

Published
21 June 2023
Modified
06 December 2024
KEV Added
Patch
CVSS Score v3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.5740 98.2th percentile
Risk Priority 47 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-33405 is a medium-severity Open Redirect (CWE-601) vulnerability in Blogengine Blogengine.Net. Its CVSS base score is 6.1 (Medium).

Operationally, ranked in the top 1.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

Deeper analysis

CVE-2023-33405 is an open redirect vulnerability, tracked as CWE-601, that affects Blogengine.net versions 3.3.8.0 and earlier. It received a CVSS v3.1 base score of 6.1 reflecting a network vector that requires no privileges but does require user interaction and produces a changed scope with limited confidentiality and integrity impact.

An unauthenticated attacker can supply a crafted URL that causes the application to redirect a victim to an arbitrary external destination. Successful exploitation can therefore be used to facilitate phishing or other social-engineering attacks that leverage the trust relationship between the user and the Blogengine.net site.

The associated EPSS score has remained essentially flat near 0.57 with a recorded peak of 0.5767, indicating no material post-disclosure increase in observed exploitation interest.

EU & UK References

Vulnerability details

Blogengine.net 3.3.8.0 and earlier is vulnerable to Open Redirect.

CWE(s)

Related Threats

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

Affected Assets

blogengine
blogengine.net
≤ 3.3.8.0

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-601

Security awareness includes verifying URLs and avoiding untrusted redirects that lead to malicious sites.

addresses: CWE-601

Validates redirect targets and URLs to ensure they conform to allowed destinations.

References