LiveActive security incident?Get immediate response
CVE Record

CVE-2023-4472: Cryptographically weak PRNG in Opinio 7.22

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.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Opinio uses predictable randomness in affected versions, making account takeover possible without logging in. For a business, this means an attacker may be able to impersonate users and access or alter application data if an exposed Opinio deployment is affected.

Executive priority

Prioritize this as an urgent remediation item for any exposed Opinio system. The business risk is account takeover, not just service disruption, and the public source data rates it critical.

Technical view

CVE-2023-4472 is a CWE-335 weakness in Objectplanet Opinio. The bundle describes a weak PRNG with a predictable seed, enabling unauthenticated takeover of any application user. CVSS 3.1 is 9.8: network reachable, low complexity, no privileges, no user interaction, high impact.

Likely exposure

Organizations running Objectplanet Opinio should treat internet-facing deployments as the highest concern. The source bundle is inconsistent: the description says version 7.22 and prior, while the affected list includes 7.22 and 7.23. Verify deployed versions against Objectplanet and Mandiant guidance.

Exploitation context

The provided bundle does not show CISA KEV listing or cite active exploitation. Risk remains high because the described attack path is unauthenticated, remote, low complexity, and can affect any user account.

Researcher notes

Do not assume exploit availability from the bundle. Focus validation on version exposure, reachable attack surface, and evidence of account misuse. The main technical issue is predictable randomness in security-sensitive flows, but the public bundle does not provide remediation specifics.

Mitigation direction

  • Identify every Objectplanet Opinio deployment and its exact version.
  • Check Objectplanet changelog and Mandiant advisory for the vendor-fixed release.
  • Upgrade or apply vendor-recommended remediation once confirmed.
  • Restrict external access to Opinio until remediation is complete.
  • Review account, password reset, and administrative activity for anomalies.

Validation and detection

  • Confirm whether any Opinio instance runs 7.22, 7.23, or earlier.
  • Determine whether each instance is reachable from the internet.
  • Compare deployed versions with Objectplanet changelog entries.
  • Review logs for unexpected user changes or privileged access.
  • Document the version discrepancy and confirm status with vendor guidance.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-335: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-4472 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2023-4472Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ObjectplanetOpinio7.22, 7.23affected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-335 · source CWE mapping

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)

Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.