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CVE-2026-33793

An Execution with Unnecessary Privileges vulnerability in the User Interface (UI) of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged attacker to gain root privileges, thus compromising the system. When a configuration that allows unsigned Python op scripts is present on the device, a non-root user is able to execute malicious op scripts as a root-equivalent user, leading to privilege escalation.  This issue affects Junos OS:  * All versions before 22.4R3-S7, 
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1bb5dd5ddd8f03665f041d2d0b4beff02cb3a5bb450f5cab9df1e9dbcc5e0c63
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S7-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S4-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S6-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S1-EVO, 24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S7","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S4","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S6","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R1-S2, 24.2R2","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S2, 24.4R2","status":"affected","version":"24.4","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/affected/0
cvss · 2 assertions

{"metric":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"H…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S7-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S4-EVO","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S6-EVO","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R2-EVO","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S1-EVO, 24.4R2-EVO","status":"affected","version":"24.4","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"22.4R3-S7","status":"affected","version":"0","versionType":"semver"},{"lessThan":"23.2R2-S4","status":"affected","version":"23.2","versionType":"semver"},{"lessThan":"23.4R2-S6","status":"affected","version":"23.4","versionType":"semver"},{"lessThan":"24.2R1-S2, 24.2R2","status":"affected","version":"24.2","versionType":"semver"},{"lessThan":"24.4R1-S2, 24.4R2","status":"affected","version":"24.4","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"YES","Recovery":"USER","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.5,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"AMBER","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"CONCENTRATED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/V:C/RE:M/U:Amber","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"H…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-250","description":"CWE-250: Execution with Unnecessary Privileges","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA103142"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:964aafeea176baebc9eb6eba434e330cc4d25780605bc9485c27cee45e63404a · sha256:dd4fa20585b44afc… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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