AUGUST 4, 2026
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Case File

CVE-2021-35473

CRITICAL · CVSS 9.1 EPSS 0.40%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2024-11-10 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. See the original NVD description below for full technical details.

CVE
CVE-2021-35473
Severity
CRITICAL
CVSS
9.1
EPSS
0.40%

Original NVD Description

An issue was discovered in LemonLDAP::NG before 2.0.12. There is a missing expiration check in the OAuth2.0 handler, i.e., it does not verify access token validity. An attacker can use a expired access token from an OIDC client to access the OAuth2 handler The earliest affected version is 2.0.4.