CVE-2022-24816: OSGeo GeoServer JAI-EXT Code Injection Vulnerability

Should you act?

Exploited: patch now if you run it

CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.

• Yes, if you run OSGeo JAI-EXT. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2024-06-26, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2024-07-17; treat that as the outer limit, not the target.
• EPSS 99.9%, percentile 100.0: FIRST’s model estimates a 99.9% chance of exploitation activity in the next 30 days, higher than 100.0% of all scored CVEs (very high). EPSS is a probability, not a verdict.
• Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.

What it is

JAI-EXT is an open-source project which aims to extend the Java Advanced Imaging (JAI) API. Programs allowing Jiffle script to be provided via network request can lead to a Remote Code Execution as the Jiffle script is compiled into Java code via Janino, and executed. In particular, this affects the downstream GeoServer project. Version 1.2.22 will contain a patch that disables the ability to inject malicious code into the resulting script. Users unable to upgrade may negate the ability to compile Jiffle scripts from the final application, by removing janino-x.y.z.jar from the classpath.

CISA’s summary

OSGeo GeoServer JAI-EXT contains a code injection vulnerability that, when programs use jt-jiffle and allow Jiffle script to be provided via network request, could allow remote code execution.

Weakness type: CWE-94.

Product: OSGeo JAI-EXT · Assigned by: GitHub_M · Published: 2022-04-13

Affected and fixed versions

Severity scores

• Attack vector: network (remotely reachable)
• Attack complexity: low
• Privileges required: none (no login)
• User interaction: none
• Scope: changed (can affect other components)

CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.

Exploitation and urgency

• CISA KEV: added 2024-06-26; federal due date 2024-07-17. Known ransomware use: Unknown.
• CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
• CISA SSVC assessment: exploitation active, automatable yes, technical impact total.
• FIRST EPSS (model of 2026-10-21): 99.91% probability of exploitation activity in the next 30 days; percentile 100.0.

Timeline

• 2022-04-13 — CVE record published by GitHub_M
• 2024-06-26 — Added to CISA’s Known Exploited Vulnerabilities catalog
• 2024-07-17 — CISA remediation deadline for US federal agencies
• 2025-10-21 — CVE record last updated

Sources and references

Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.

Vendor and project advisories, patches

1. Listed in CISA KEV notes (github.com) github.com
2. Listed in CISA KEV notes (github.com) github.com

Vulnerability records

1. CVE.org record CVE-2022-24816 cve.org
2. NVD entry CVE-2022-24816 nvd.nist.gov

Government

1. CISA Known Exploited Vulnerabilities catalog entry cisa.gov

Other references from the CVE record and advisory

1. github.com github.com

All exploited OSGeo vulnerabilities · Today’s Security Digest