CVE-2017-15944
Palo Alto Networks — Palo Alto Networks PAN-OS Remote Code Execution Vulnerability
Palo Alto Networks · CWE-20 — Improper input validation | CWE-119 · in CISA KEV since 2022-08-18
EVRS 87 of 100 Immediate
Out-of-Band / Urgent Remediation
Rank 268 of 2,960 tracked
Why it scores 87
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.983.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
pan-os: update to 6.1.19 or later | pan-os: update to 7.0.19 or later | pan-os: update to 7.1.14 or later | pan-os: update to 8.0.6 or later
Affected versions
- pan-os
< 6.1.19>= 7.0.0 < 7.0.19>= 7.1.0 < 7.1.14>= 8.0.0 < 8.0.6
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 9.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.983 (99.92nd pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2022-09-08 · KEV since 2022 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 9.8 (v3.1), assigned by mitre. | Listed | ENISA EUVD |
Description
NVDPalo Alto Networks PAN-OS before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and 8.0.x before 8.0.6 allows remote attackers to execute arbitrary code via vectors involving the management interface.
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: Palo Alto Networks readSessionVarsFromFile() Session Corruption (linux/http/panos_readsessionvars). A module existing is not the same as active exploitation; see metasploit.com.