SARA / Free Tools / CVE / CVE-2019-1814

CVE-2019-1814 — A vulnerability in the interactions between the DHCP and TFTP features for Cisco

A vulnerability in the interactions between the DHCP and TFTP features for Cisco Small Business 300 Series (Sx300) Managed Switches could allow an unauthenticated, remote attacker to cause the device to become low on system memory, which in turn could lead to an unexpected reload

CVSS
6.8 MEDIUM
EPSS
0.33% (top 44.20%)
CWE
CWE-400
Published
2019-05-15T23:45:15.298Z
Last modified
2024-11-21T19:25:40.906Z
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

A vulnerability in the interactions between the DHCP and TFTP features for Cisco Small Business 300 Series (Sx300) Managed Switches could allow an unauthenticated, remote attacker to cause the device to become low on system memory, which in turn could lead to an unexpected reload of the device and result in a denial of service (DoS) condition on an affected device. The vulnerability is due to a…

02Affected products

VendorProductVersions
CiscoCisco Small Business 300 Series Managed Switches1.4.0.88

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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