CVE-2024-13990

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• 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

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 47.0% of scored records. A rank, not a probability.

NVD base score

9.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. 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

2025-09-19 18:54Z11 MO AGO

Last updated

2025-11-19 15:58Z9 MO AGO

Reserved

2025-09-18

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Critical (CVSS 9.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Weaknesses

• CWE-295Improper Certificate ValidationBase
• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.2

Document digest

a662b164b82d5ca7dd8bd689673a279153e9948fa74d5b3f36a7f7f4bc0efd49

• blog.avast.comhttps://blog.avast.com/leading-the-charge-against-guptiminertechnical-description
• www.gendigital.comhttps://www.gendigital.com/blog/insights/research/guptiminer-hijacking-antivirus-updates-for-distributing-backdoors-and-casual-miningtechnical-descriptionexploit
• securityaffairs.comhttps://securityaffairs.com/162228/breaking-news/escan-antivirus-mitm-attack.htmlmedia-coverage
• arstechnica.comhttps://arstechnica.com/security/2024/04/hackers-infect-users-of-antivirus-service-that-delivered-updates-over-http/technical-description
• www.bleepingcomputer.comhttps://www.bleepingcomputer.com/news/security/hackers-hijack-antivirus-updates-to-drop-guptiminer-malware/media-coverage
• thehackernews.comhttps://thehackernews.com/2024/04/escan-antivirus-update-mechanism.htmlmedia-coverage
• www.escanav.comhttps://www.escanav.com/en/about-us/eScan-update-advisory.aspvendor-advisorypatch
• www.vulncheck.comhttps://www.vulncheck.com/advisories/microworld-escan-av-insecure-update-mechanism-allows-mitm-replacement-of-updatesthird-party-advisory