Critical CVSS 9.8 EPSS 0.0075 2024-09 archive

Executive Summary

An improper access control vulnerability in GroupMe allows an a unauthenticated attacker to elevate privileges over a network by convincing a user to click on a malicious link.

Overview

9.8
CVSS CRITICAL
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Elevation of Privilege
Released Sep 10 2024
Last Updated Sep 10 2024
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.0075 — 0.50071 percentile
NVD CVSS 9.8 CRITICAL — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.7

EPSS Score

0.0075
probability of exploitation in the next 30 days
0.50071 percentile - updated 2026-06-21
View on FIRST.org

Known Exploits

Acknowledgments

Guy Arazi with Microsoft