CVE-2025-49844 Details
Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code execution. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to restrict EVAL and EVALSHA commands.
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Exploit prediction scoring system (EPSS) score for CVE-2025-49844
EPSS (Exploit Prediction Scoring System): EPSS predicts the likelihood that a vulnerability will be exploited in the wild. A higher percentage means a greater chance of an exploit occurring. The EPSS model produces a probability score between 0 and 1 (0 and 100%).
5.97 Probability of exploitation activity being observed over the next 30 days (90th percentile)
CVSS score for CVE-2025-49844
CVSS (Common Vulnerability Scoring System): An open framework owned and managed by FIRST.Org, Inc. that assigns a numerical score from 0 to 10 to software vulnerabilities to indicate their severity.
9.9 Critical
DVE Score by Bitsight AI
DVE scores complement traditional static scoring systems like CVSS with Bitsight AI powered real-time threat intelligence and underground cyber criminal activity so that security teams can reduce alert fatigue and focus on vulnerabilities most likely to be exploited.
Critical
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CVE-2025-49844 Global Footprint

Top 10 Identified Countries

Country Observations Percentage
CN 4,626 23.88%
US 3,089 15.95%
DE 2,245 11.59%
RU 1,146 5.92%
SG 923 4.77%
IN 682 3.52%
KR 672 3.47%
FR 628 3.24%
GB 559 2.89%
FI 449 2.32%

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CVE-2025-49844 Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry* Observations Percentage
Technology 12,614 89.56%
Telecommunications 1,165 8.27%
Retail 171 1.21%
Education 57 0.40%
Business Services 25 0.18%
Government/Politics 12 0.09%
Consumer Goods 7 0.05%
Finance 6 0.04%
Transportation 4 0.03%
Media/Entertainment 4 0.03%

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