CVE-2023-31102

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

53.98% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.9% of scored records. A rank, not a probability.

NVD base score

7.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-11-03 00:00Z2 YR AGO

Last updated

2024-09-06 13:43Z2 YR AGO

Reserved

2023-04-24

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-191Integer Underflow (Wrap or Wraparound)Base

Data version

5.1

Document digest

bc52a5e40ec1fe20b0d48d7ac10788c82aab5be07ee65c9a8ce19c2a98284542

• www.7-zip.orghttps://www.7-zip.org/download.html
• www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-1165/
• sourceforge.nethttps://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20231110-0007/
• ds-security.comhttps://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/