CVE-2023-4472

criticalpriority · track · 39EPSS 0.007 · 54 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.74% (54th) EPSS

CVSS 9.8 · critical

Is it mine?

3 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Objectplanet Opinio version 7.22 and prior uses a cryptographically weak pseudo-random number generator (PRNG) coupled to a predictable seed, which could lead to an unauthenticated account takeover of any user on the application.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-335USprimary

affected products (3)

Products and version ranges known to be affected.

Objectplanet Opinio≤ 7.22enisa_euvdEU
Objectplanet Opinio< 7.23enisa_euvdEU
objectplanet opinio< 7.23nvdUScpe:2.3:a:objectplanet:opinio:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2024-02-01modified 2026-06-17

related (55)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2017-11519US	critical9.8	3.05% (88th)	Exploit	2017-07-21
passwd_recovery.lua on the TP-Link Archer C9(UN)_V2_160517 allows an attacker to reset the admin password by leveraging a predictable random number generator seed. This is fixed in…
CVE-2021-41117US	critical9.1	3.15% (88th)	Exploit	2021-10-11
keypair is a a RSA PEM key generator written in javascript. keypair implements a lot of cryptographic primitives on its own or by borrowing from other libraries where possible, inc…
CVE-2018-12520US	high8.1	10.5% (96th)	Exploit	2018-07-05
An issue was discovered in ntopng 3.4 before 3.4.180617. The PRNG involved in the generation of session IDs is not seeded at program startup. This results in deterministic session…
CVE-2000-0916US	high7.5OT elevated	5.55% (93rd)	Exploit	2000-12-19
FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes, uses an insufficient random number generator to generate initial TCP sequence numbers (ISN), which allows remote attac…
CVE-2021-27211US	high7.5	3.32% (89th)	Exploit	2021-02-15
steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier for attackers to detect hidden data.

+50 more

references (8)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan