What is CVE-2023-48056?

CVE-2023-48056 is a high-severity vulnerability in Bandoche Pypinksign, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2023-11-16.

How severe is CVE-2023-48056?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Bandoche Pypinksign

CVE-2023-48056

PyPinkSign v0.5.1 uses a non-random or static IV for Cipher Block Chaining (CBC) mode in AES encryption. This vulnerability can lead to the disclosure of information and communications.

Published 2023-11-16 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (32.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Bandoche Pypinksign — versions 0.5.1

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
af854a3a-2127-422b-91ae-364da2661108 (Broken Link)
gxx777.github.io/PyPinkSign_v0.5.1_Cryptographic_API_Misuse_Vulnerability.md (Third Party Advisory)

Frequently asked questions

What is CVE-2023-48056?: CVE-2023-48056 is a high-severity vulnerability in Bandoche Pypinksign, classified under Use of Insufficiently Random Values. CVSS score: 7.5/10. Published 2023-11-16.
How severe is CVE-2023-48056?: High severity. CVSS v3 base score is 7.5 out of 10.