What is CVE-2023-31435?

CVE-2023-31435 is a high-severity vulnerability in Evasys, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-05-02.

How severe is CVE-2023-31435?

High severity. CVSS v3 base score is 8.1 out of 10.

Is CVE-2023-31435 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Evasys

CVE-2023-31435

Multiple components (such as Onlinetemplate-Verwaltung, Liste aller Teilbereiche, Umfragen anzeigen, and questionnaire previews) in evasys before 8.2 Build 2286 and 9.x before 9.0 Build 2401 allow authenticated attackers to read and write to unauthorized data by accessing functions directly.

Vulnerability class: Broken Access Control

EPSS: 0.007 (49.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Evasys — versions 8.2, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-31435?: CVE-2023-31435 is a high-severity vulnerability in Evasys, classified under Incorrect Authorization. CVSS score: 8.1/10. Published 2023-05-02.
How severe is CVE-2023-31435?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2023-31435 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.