CVE-2021-3059

highpriority · track · 33EPSS 0.015 · 75 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.54% (75th) EPSS

CVSS 7.6 · high

Is it mine?

12 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

An OS command injection vulnerability in the Palo Alto Networks PAN-OS management interface exists when performing dynamic updates. This vulnerability enables a man-in-the-middle attacker to execute arbitrary OS commands to escalate privileges. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.20-h1; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14-h3; PAN-OS 9.1 versions earlier than PAN-OS 9.1.11-h2; PAN-OS 10.0 versions earlier than PAN-OS 10.0.8; PAN-OS 10.1 versions earlier than PAN-OS 10.1.3. Prisma Access customers that have Prisma Access 2.1 Preferred or Prisma Access 2.1 Innovation firewalls are impacted by this issue.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.6highAV:N/AC:H/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 4.9 · impact 10

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.2 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@paloaltonetworks.comexploitability 2.2 · impact 5.9

v3.17.4highCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-78USprimary

affected products (12)

Products and version ranges known to be affected.

Palo Alto Networks PAN-OS10.0 → 10.0.8enisa_euvdEU
Palo Alto Networks PAN-OS10.1 → 10.1.3enisa_euvdEU
Palo Alto Networks PAN-OS8.1 → 8.1.20-h1enisa_euvdEU
Palo Alto Networks PAN-OS9.0 → 9.0.14-h3enisa_euvdEU
Palo Alto Networks PAN-OS9.1 → 9.1.11-h2enisa_euvdEU
Palo Alto Networks Prisma Access≤ 2.1 Preferredenisa_euvdEU
Palo Alto Networks Prisma Access≤ 2.1 Innovationenisa_euvdEU
paloaltonetworks pan-os10.0.0 → 10.0.8nvdUScpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
paloaltonetworks pan-os10.1.0 → 10.1.3nvdUScpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
paloaltonetworks pan-os8.1.0 → 8.1.20nvdUScpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
paloaltonetworks pan-os9.0.0 → 9.0.14nvdUScpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*
paloaltonetworks pan-os9.1.0 → 9.1.11nvdUScpe:2.3:o:paloaltonetworks:pan-os:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2021-11-10modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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