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VulnerabilityPublished

CVE-2026-33776: Juniper Networks Junos OS · Missing Authorization

Affects Juniper Networks Junos OSSource CVE Database V5

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Not known to be exploited · CVSS 5.5 Medium · fixed in 25.2R1-S2 : update Juniper Networks Junos OS when convenient.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 25.2R1-S2, 24.4R2-S1, 24.2R2-S4 +8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Juniper NetworksJunos OSAffected
  • <22.4R3-S8
  • >=23.2 <23.2R2-S6
  • >=23.4 <23.4R2-S6
  • >=24.2 <24.2R2-S4
  • >=24.4 <24.4R2-S1
  • =25.2
Fixed in
  • 25.2R1-S2
  • 24.4R2-S1
  • 24.2R2-S4
  • 23.4R2-S6
  • 23.2R2-S6
  • 22.4R3-S8
Juniper NetworksJunos OS EvolvedAffected
  • >=25.2 <25.2R2-EVO
Fixed in
  • 25.2R2-EVO
Juniper NetworksJunos OS EvolvedAffected
  • >=24.4 <24.4R2-S1-EVO
Fixed in
  • 24.4R2-S1-EVO
Juniper NetworksJunos OS EvolvedAffected
  • >=24.2 <24.2R2-S4-EVO
Fixed in
  • 24.2R2-S4-EVO
Juniper NetworksJunos OS EvolvedAffected
  • >=23.4 <23.4R2-S6-EVO
Fixed in
  • 23.4R2-S6-EVO
Juniper NetworksJunos OS EvolvedAffected
  • <23.2R2-S6-EVO
Fixed in
  • 23.2R2-S6-EVO

AI-suggested

The description lists fixed versions, so upgrading to the specified patched versions of Junos OS or Junos OS Evolved is recommended once vendor advisories confirm availability. Until then, restrict local access to trusted users only to mitigate risk.

Description

A Missing Authorization vulnerability in the CLI of Juniper Networks Junos OS and Junos OS Evolved allows a local user with low privileges to read sensitive information. A local user with low privileges can execute the CLI command 'show mgd' with specific arguments which will expose sensitive information. This issue affects Junos OS: * all versions before 22.4R3-S8, * 23.2 versions before 23.2R2-S6, * 23.4 versions before 23.4R2-S6, * 24.2 versions before 24.2R2-S4, * 24.4 versions before 24.4R2-S1, * 25.2 version before 25.2R1-S2, 25.2R2; Junos OS Evolved: * all versions before 23.2R2-S6-EVO, * 23.4 version before 23.4R2-S6-EVO, * 24.2 version before 24.2R2-S4-EVO, * 24.4 versions before 24.4R2-S1-EVO, * 25.2 versions before 25.2R2-EVO.

References

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