Threats / ZK Framework / CVE-2022-36537
CVE-2022-36537
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
ZK Framework AuUploader vulnerability
ZK Framework AuUploader contains an unspecified vulnerability allowing attackers to retrieve files from the web context. The flaw affects multiple products and has been exploited in ransomware campaigns.
Verdict
Today item, not a backlog item.
An unauthenticated attacker can exploit this vulnerability to access sensitive files within the web application directory, potentially exposing configuration data, credentials, or other protected content that could facilitate further compromise.
CISA KEV Yes · 2023-02-273Ransomware use Flagged3EPSS 0.95335 (verify live)4Exploit Weaponized · public PoC5
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
8 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-02-27), flagged for known ransomware use.
Probability (EPSS)
EPSS 0.95335 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: ZK Framework, AuUploader. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-441 CWE-441.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
WeaknessCWE-441 · CWE-441
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I identify the AuUploader servlet endpoint and craft requests to retrieve arbitrary files from the web context.
Business
Sensitive application files, configuration data, and credentials are exposed to unauthorized access.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I extract exposed credentials or authentication tokens from retrieved files to escalate privileges or move laterally.
Business
Attackers gain authenticated access to systems, enabling deployment of ransomware or data exfiltration.
3
Lateral reach — past segmentation narrative 3
Attacker
I use file access to map the application structure and identify additional vulnerabilities for exploitation.
Business
The attack surface expands, increasing risk of complete system compromise and operational disruption.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05