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CVE-2023-31435

23
FAUCET Score

CVE-2023-31435 describes an improper authorization vulnerability affecting evasys versions before 8.2 Build 2286 and 9.x before 9.0 Build 2401. Authenticated attackers can exploit this by directly accessing functions within components like Onlinetemplate-Verwaltung, leading to unauthorized data reading and writing. Rated 8.1 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N), this vulnerability is network-exploitable with low attack complexity, requiring low privileges, and can result in high confidentiality and integrity impacts. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.2CPE matchmatch criteria
cpe:2.3:a:evasys:evasys:8.2:-:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:a:evasys:evasys:9.0:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 42nd percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cves.at / posts/cve-2023-31435/writeup
ExploitThird Party Advisory