Dashboard / CVE-2021-4043

CVE-2021-4043

MEDIUM 1 PoC
MEDIUM Priority: 0.27 BB Relevance: 83/100
Published: 2022-02-04 Modified: 2026-11-03 First seen: 2026-11-03 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Changed
C: None
I: None
A: Low

Description

NULL Pointer Dereference in GitHub repository gpac/gpac prior to 1.1.0.

Weakness Classification (1)

Affected Software (4)

VendorProductVersion
debian debian_linux 11.0
gpac gpac < 1.1.0
gpac gpac/gpac unspecified < 1.1.0
gpac gpac/gpac unspecified < 1.1.0

References & Advisories (3)

Proof of Concept (1)

★ 29
https://github.com/cyberark/PwnKit-Hunter
nomi-sec

Bug Bounty Relevance

83 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction
✓ PoC available (1)

CVSS Score

5.8 / 10.0 v3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

EPSS — Exploitation Probability

4.61%
Raw Score 0.046150
Percentile 91.8%
Date 2026-11-13

EPSS Trend

2026-11-13
0.04615
2026-11-12
0.04615
2026-11-10
0.04615
2026-11-09
0.04615
2026-11-08
0.04615
2026-11-07
0.04615
2026-11-06
0.04615
2026-11-05
0.04615
2026-11-04
0.04615
2026-11-03
0.04615

Intelligence Sources

mitre ref →
nvd ref →

External Links