AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2017-8821

HIGH · CVSS 7.5 EPSS 1.96%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-12-03 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects OpenSSL. It may lead to a denial-of-service condition.

CVE
CVE-2017-8821
Severity
HIGH
CVSS
7.5
EPSS
1.96%
OpenSSL

Original NVD Description

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, an attacker can cause a denial of service (application hang) via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the OpenSSL library to ask the user for the password, aka TROVE-2017-011.

Related CVEs

Other vulnerabilities affecting the same vendor(s)