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🛡️ CVE-2023-4695 — pkb-lib

🟠 CVSS 8.1 — High ⚠️ Exploit Public CWE-1241 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Use of Predictable Algorithm in Random Number Generator in GitHub repository pkp/pkp-lib prior to 3.3.0-16.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-4695 is classified as CWE-1241: Use of Predictable Algorithm in Random Number Generator. The device uses an algorithm that is predictable and generates a pseudo-random number.

Affected software

CVE-2023-4695 is recorded against 1 package.

  • pkb-lib (fixed in 3.3.0-16)

Timeline and source

Published on 1 September 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
huntr.dev
github.com
huntr.dev

Same weakness in other software

These advisories are the same class of weakness (CWE-1241: Use of Predictable Algorithm in Random Number Generator) in other software:

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-1241
Public Exploit ⚠️ Yes
Source NVD
Published 2023-09-01
Updated 2026-08-20
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
pkb-lib — 3.3.0-16

Exploit Protection

Are you running pkb-lib?

CVE-2023-4695 carries CVSS 8.1 High rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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