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CVE record · CVE-2021-1440

Cisco IOS XR Software BGP Resource Public Key Infrastructure Denial of Service Vulnerability

CVSS 6.8 MediumEPSS 0.0080 · 56th percentile

Published by the CVE Program (CNA: cisco) at 18 Nov 2024, 15:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Cisco Cisco IOS XR Software
  • affected 6.6.1
  • affected 6.5.3
  • affected 7.0.1
  • affected 6.6.11
  • affected 6.5.1
  • affected 6.5.2
  • affected 6.6.2
  • affected 6.6.12
  • affected 6.6.25
  • affected 7.1.1
  • affected 7.0.90
  • affected 6.6.3
  • and 9 more
Other versions: unknown
Identifiers
CVE-2021-1440
CNA
cisco
Weakness (CWE)
CWE-617
Tags
Published
18 Nov 2024
Updated
18 Nov 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.8 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H CNA (cisco)
  • CISA KEV Not listed.
  • EPSS 0.0080, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 18 Nov 2024. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.