CVE-2022-4583 — A vulnerability was found in jLEMS

A vulnerability was found in jLEMS. It has been declared as critical. Affected by this vulnerability is the function unpackJar of the file src/main/java/org/lemsml/jlems/io/util/JUtil.java. The manipulation leads to path traversal. The attack can be launched remotely. The name of

01What is this vulnerability?

A vulnerability was found in jLEMS. It has been declared as critical. Affected by this vulnerability is the function unpackJar of the file src/main/java/org/lemsml/jlems/io/util/JUtil.java. The manipulation leads to path traversal. The attack can be launched remotely. The name of the patch is 8c224637d7d561076364a9e3c2c375daeaf463dc. It is recommended to apply a patch to fix this issue. The…

02Affected products

Vendor	Product	Versions
unspecified	jLEMS	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-12-17T00:00:00.000Z
• Last modified: 2025-04-15T13:01:15.249Z

09References

• github.com — https://github.com/LEMS/jLEMS/pull/103
• github.com — https://github.com/LEMS/jLEMS/commit/8c224637d7d561076364a9e3c2c375daeaf463dc
• vuldb.com — https://vuldb.com/?id.216169