Junos OS: An local attacker with shell access can execute arbitrary code
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- Fix
- Fixed in 21.2R3-S9, 21.4R3-S10, 22.2R3-S6, 22.4R3-S6, 23.2R2-S3, and 2 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Juniper Networks Junos OS, the operating system used on Juniper network devices, is affected by this vulnerability. A local attacker with high privileges and shell access could inject arbitrary code into the kernel, compromising the integrity of the affected device.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
An Improper Isolation or Compartmentalization vulnerability in the kernel of Juniper Networks Junos OS allows a local attacker with high privileges to compromise the integrity of the device. A local attacker with access to the shell is able to inject arbitrary code which can compromise an affected device. This issue is not exploitable from the Junos CLI. This issue affects Junos OS: • All versions before 21.2R3-S9, • 21.4 versions before 21.4R3-S10, • 22.2 versions before 22.2R3-S6, • 22.4 versions before 22.4R3-S6, • 23.2 versions before 23.2R2-S3, • 23.4 versions before 23.4R2-S4, • 24.2 versions before 24.2R1-S2, 24.2R2.
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- Juniper Networks Junos OS
fixed in 21.2R3-S9; From 21.4 · fixed in 21.4R3-S10; From 22.2 · fixed in 22.2R3-S6; From 22.4 · fixed in 22.4R3-S6; From 23.2 · fixed in 23.2R2-S3; From 23.4 · fixed in 23.4R2-S4; From 24.2 · fixed in 24.2R1-S2, 24.2R2