CVE-2023-5992

MEDIUM
MEDIUM Priority: 0.07 BB Relevance: 62/100
Published: 2024-01-31 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: High
PR: None
UI: None
S: Unchanged
C: High
I: None
A: None

Description

A vulnerability was found in OpenSC where PKCS#1 encryption padding removal is not implemented as side-channel resistant. This issue may result in the potential leak of private data.

Weakness Classification (1)

Bug Bounty Relevance

62 / 100
✓ Network accessible
✓ No authentication
✓ No user interaction

CVSS Score

5.9 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

1.16%
Raw Score 0.011560
Percentile 67.5%
Date 2026-11-13

EPSS Trend

2026-11-13
0.01156
2026-11-12
0.01156
2026-11-10
0.01156
2026-11-09
0.01156
2026-11-08
0.01156
2026-11-07
0.01156
2026-11-06
0.01156
2026-11-05
0.01156
2026-11-04
0.01156

Intelligence Sources

mitre ref →
nvd ref →