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CVE-2023-44192

21
FAUCET Score

CVE-2023-44192 is an Improper Input Validation vulnerability in Juniper Networks Junos OS QFX5000 Series devices, specifically impacting the Packet Forwarding Engine. An unauthenticated, network-based attacker can exploit this by sending specific DHCP packets when pseudo-VTEP is configured in an EVPN-VXLAN scenario, leading to a memory leak. This continuous memory leak can eventually cause protocols to stop working and traffic disruption, resulting in a Denial of Service (DoS) condition. The vulnerability has a CVSS score of 7.5 (HIGH), indicating a severe impact on availability with no user interaction required. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 20.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*
20.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*
20.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*
20.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*
20.4CPE matchmatch criteria
cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
40.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 19th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

supportportal.juniper.net / JSA73156
Vendor Advisory