CVE-2021-47718

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited 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

0.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 45.5% of scored records. A rank, not a probability.

NVD base score

8.7 (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:N/VA:N/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

Analyzed. 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

2025-12-09 20:40Z10 MO AGO

Last updated

2026-04-07 14:05Z6 MO AGO

Reserved

2025-12-05

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

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

Weaknesses

• CWE-548Exposure of Information Through Directory ListingVariant

Data version

5.2

Document digest

a8ca41bb84511e163886e042c614468aea6a9ca9626fb88df58caa8aaf63d2b2

• www.exploit-db.comExploitDB-50671https://www.exploit-db.com/exploits/50671exploit
• www.openbmcs.comOfficial Product Homepagehttps://www.openbmcs.comproduct
• www.zeroscience.mkZero Science Lab Disclosure (ZSL-2022-5695)https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5695.phpthird-party-advisory
• www.vulncheck.comVulnCheck Advisory: OpenBMCS Directory Listing Information Disclosurehttps://www.vulncheck.com/advisories/openbmcs-directory-listing-information-disclosurethird-party-advisory