Cyber Resilience

CVE-2019-25076

MediumPublic PoC

Published: 08 September 2022

Published
08 September 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS Score 0.0067 71.9th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2019-25076 is a medium-severity an unspecified weakness vulnerability in Openvswitch Openvswitch. Its CVSS base score is 5.8 (Medium).

Operationally, ranked in the top 28.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification…

more

algorithm for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

openvswitch
openvswitch
3.0.0 · 2.0.0 — 2.17.2

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References