CVE-2022-25845

Name: CVE-2022-25845
Creator: NVD / NIST
Published: 2022-06-10T20:15:08.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 17.77%

Last modified Jun 17, 2026

CVE-2022-25845 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The package com.alibaba:fastjson before 1.2.83 are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions. Exploiting this vulnerability allows attacking remote servers. EPSS estimates a 17.77% chance of exploitation in the next 30 days.

Description

The package com.alibaba:fastjson before 1.2.83 are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions. Exploiting this vulnerability allows attacking remote servers. Workaround: If upgrading is not possible, you can enable [safeMode](https://github.com/alibaba/fastjson/wiki/fastjson_safemode).

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

17.77%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Alibaba	Fastjson	< 1.2.83
Oracle	Communications Cloud Native Core Unified Data Repository	22.2.0

References

https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60dPatch, Third Party Advisory
https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15Patch, Third Party Advisory
https://github.com/alibaba/fastjson/releases/tag/1.2.83Release Notes, Third Party Advisory
https://github.com/alibaba/fastjson/wiki/security_update_20220523Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222Third Party Advisory
https://www.ddosi.org/fastjson-poc/Exploit, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory
https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60dPatch, Third Party Advisory
https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15Patch, Third Party Advisory
https://github.com/alibaba/fastjson/releases/tag/1.2.83Release Notes, Third Party Advisory
https://github.com/alibaba/fastjson/wiki/security_update_20220523Third Party Advisory
https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222Third Party Advisory
https://www.ddosi.org/fastjson-poc/Exploit, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlPatch, Third Party Advisory

Timeline

Published: Jun 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-25845?

How severe is CVE-2022-25845?

CVE-2022-25845 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 17.77% probability of exploitation in the next 30 days.

How do I fix CVE-2022-25845?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-25845?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST