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CVE-2018-0156

high · 7.5Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply updates per vendor instructions.

Added 2022-03-03Remediation due 2022-03-17

A vulnerability in the Smart Install feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to improper validation of packet data. An attacker could exploit this vulnerability by sending a crafted packet to an affected device on TCP port 4786. Only Smart Install client switches are affected. Cisco devices that are configured as a Smart Install director are not affected by this vulnerability. Cisco Bug IDs: CSCvd40673.

7.5
CVSS
8.6%
EPSS (exploit prob.)
95th
EPSS percentile
2018-03-28
Published

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

Weaknesses

CWE-399CWE-20

Affected products

VendorProductAffected versions
ciscoios15.2(2)e4
ciscoios15.2(2a)ja
ciscocatalyst_2960-plus_24lc-lall versions
ciscocatalyst_2960-plus_24lc-sall versions
ciscocatalyst_2960-plus_24pc-lall versions
ciscocatalyst_2960-plus_24pc-sall versions
ciscocatalyst_2960-plus_24tc-lall versions
ciscocatalyst_2960-plus_24tc-sall versions
ciscocatalyst_2960-plus_48pst-lall versions
ciscocatalyst_2960-plus_48pst-sall versions
ciscocatalyst_2960-plus_48tc-lall versions
ciscocatalyst_2960-plus_48tc-sall versions
ciscocatalyst_2960c-12pc-lall versions
ciscocatalyst_2960c-8pc-lall versions
ciscocatalyst_2960c-8tc-lall versions
ciscocatalyst_2960c-8tc-sall versions
ciscocatalyst_2960cg-8tc-lall versions
ciscocatalyst_2960cpd-8pt-lall versions
ciscocatalyst_2960cpd-8tt-lall versions
ciscocatalyst_2960s-24pd-lall versions
ciscocatalyst_2960s-24ps-lall versions
ciscocatalyst_2960s-24td-lall versions
ciscocatalyst_2960s-24ts-lall versions
ciscocatalyst_2960s-24ts-sall versions
ciscocatalyst_2960s-48fpd-lall versions
ciscocatalyst_2960s-48fps-lall versions
ciscocatalyst_2960s-48lpd-lall versions
ciscocatalyst_2960s-48lps-lall versions
ciscocatalyst_2960s-48td-lall versions
ciscocatalyst_2960s-48ts-lall versions
ciscocatalyst_2960s-48ts-sall versions
ciscocatalyst_2960s-f24ps-lall versions
ciscocatalyst_2960s-f24ts-lall versions
ciscocatalyst_2960s-f24ts-sall versions
ciscocatalyst_2960s-f48fps-lall versions
ciscocatalyst_2960s-f48lps-lall versions
ciscocatalyst_2960s-f48ts-lall versions
ciscocatalyst_2960s-f48ts-sall versions
ciscocatalyst_2960x-24pd-lall versions
ciscocatalyst_2960x-24ps-lall versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2018-0156