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CVE-2023-22396

24
FAUCET Score

CVE-2023-22396 is an Uncontrolled Resource Consumption vulnerability in Juniper Networks Junos OS, affecting various versions across multiple releases. An unauthenticated attacker can trigger a Denial of Service (DoS) by sending crafted TCP packets directly to a configured IPv4 or IPv6 interface on the Routing Engine, leading to an MBUF leak. This high-severity vulnerability (CVSS 7.5) requires a manual restart to restore service, as the system does not recover automatically. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r12-s19:*:*:*:*:*:*
12.3CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.3:r12-s20:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:15.1:r7-s10:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:15.1:r7-s11:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:o:juniper:junos:15.1:r7-s12:*:*:*:*:*:*

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
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 21st percentile among its peer group of 51,553 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

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / JSA70192
Vendor Advisory