CVE-2025-52981 — Improper Check for Unusual or Exceptional Conditions in Networks Junos OS
Severity
8.7HIGHNVD
CNA7.1
EPSS
0.1%
top 71.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 11
Description
An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on
SRX1600, SRX2300, SRX 4000 Series, and SRX5000 Series with SPC3
allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).
If a sequence of specific PIM packets is received, this will cause a flowd crash and restart.
This issue affects Junos OS:
* all versions before 21.2R3-S9,
* 21.4 versions before 21.4R3-S11,
* 22.2 ver…
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Affected Packages2 packages
🔴Vulnerability Details
2📋Vendor Advisories
3Juniper▶
CVE-2025-52981: An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on
S↗2025-07-11
Microsoft▶
An issue was discovered in Elasticsearch, where a large recursion using the Well-KnownText formatted string with nested GeometryCollection objects could cause a stackoverflow.↗2025-04-08