CVE-2022-47002
Published: 01 February 2023
Summary
CVE-2022-47002 is a critical-severity Incorrect Authorization (CWE-863) vulnerability in Masacms Masacms. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 1.7% 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-2022-47002 is an authentication bypass vulnerability in the Remember Me function of Masa CMS versions 7.2, 7.3, and 7.4-beta. The flaw, tracked under CWE-863, permits unauthorized access through specially crafted web requests and carries a CVSS 3.1 score of 9.8 reflecting network-exploitable impact on confidentiality, integrity, and availability without any required credentials or user interaction.
Unauthenticated remote attackers can send the crafted requests to the affected Remember Me endpoint and obtain full administrative access to the CMS instance. Successful exploitation grants the ability to read, modify, or delete content and configuration data as well as perform actions normally restricted to authenticated users.
Public advisories and vendor releases point to version 7.3.10 as containing the fix; administrators are advised to upgrade Masa CMS to this or a later release. The referenced technical write-ups from hoyahaxa.com detail the bypass technique and confirm the patch addresses the Remember Me logic.
EPSS scores for the CVE rose from a low baseline to a peak of 0.7447 with a current value of 0.6042, indicating growing exploitation interest after public disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-49780
Vulnerability details
A vulnerability in the Remember Me function of Masa CMS v7.2, 7.3, and 7.4-beta allows attackers to bypass authentication via a crafted web request.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Periodic review and update of procedures reduces incorrect authorization implementations over time.
Supervision identifies cases where authorization logic incorrectly permits unauthorized actions.
Defining permitted attribute values and auditing modifications reduces the chance of incorrect authorization outcomes due to tampered or missing labels.
The authorization process and usage restrictions help prevent incorrect authorization for remote access types.
Establishing configuration and connection requirements helps ensure correct rather than incorrect authorization for wireless access.
Establishing connection authorization processes for mobile devices helps ensure authorization decisions are correctly implemented rather than incorrect.
Monitoring account use, notifying on changes, and reviewing accounts for compliance corrects incorrect authorization assignments.
Ensures authorization decisions for external system use are correctly implemented and enforced.