VMware Avi Load Balancer Authenticated Privilege Escalation

VMware Avi Load Balancer contains a privilege escalation vulnerability. A malicious authenticated user with network access may be able to execute remote code. Affected versions: 32.1.1 (fixed in 32.1.2) 31.1.1 through 31.2.2 (fixed in 31.2.2-2p3) 30.1.1 through 30.2.6 (fixed in 30.2.7) 22.1.1 through 22.1.7 (fixed in 30.2.7)

Casky was already ahead

This CVE exploits attack patterns that Casky's 224matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-47870 is a privilege escalation vulnerability in VMware Avi Load Balancer that allows authenticated users with network access to execute remote code. This vulnerability is particularly critical because load balancers sit at the perimeter of infrastructure, handling traffic distribution for mission-critical applications. An attacker who exploits this flaw gains the ability to escalate privileges beyond their initial authenticated access level, potentially compromising the entire application delivery infrastructure. Multiple versions across four release lines are affected (22.1.x, 30.x, 31.x, and 32.1.x), meaning organizations running these versions face significant risk. While not yet listed in CISA's Known Exploited Vulnerabilities catalog, the high CVSS score of 7.1 and the privilege escalation nature of the flaw make this a priority patch target for any organization deploying Avi Load Balancers.

Casky's 224 mapped security skills detect the attack patterns underlying this vulnerability through analysis of MITRE ATT&CK technique TA0004 (Privilege Escalation), the core attack vector. Using Claude AI's extended reasoning capabilities, practitioners leveraging Casky can identify detection signatures for: unauthorized privilege elevation attempts on Avi controller nodes, anomalous authenticated sessions performing administrative operations outside normal user behavior patterns, CWE-269 (improper access control) manifestations in role-based access control bypass attempts, and post-exploitation indicators such as unexpected process execution or configuration changes initiated by low-privileged accounts. The platform would surface findings highlighting when authenticated users attempt to access protected functions, escalate to administrative roles, or execute commands typically reserved for system administrators—patterns that appear benign in isolation but become suspicious when correlated across multiple sessions or timeframes.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

224 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-47870.

abusing-dpapi-for-credential-access

red teaming · high

Run

abusing-shadow-credentials-for-privesc

red teaming · high

Run

Access with Stolen Session Cookie

penetration testing · medium

Run

MITRE ATT&CK Techniques

TA0004

Investigate the attack patterns behind CVE-2026-47870

Casky has 224 skills that investigate the attack patterns behind CVE-2026-47870. Run one and get CVSS-scored findings in 3 minutes.

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