Vulnerability Details : CVE-2021-29478

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and message broker. An integer overflow bug in Redis 6.2 before 6.2.3 could be exploited to corrupt the heap and potentially result with remote code execution. Redis 6.0 and earlier are not directly affected by this issue. The problem is fixed in version 6.2.3. An additional workaround to mitigate the problem without patching the `redis-server` executable is to prevent users from modifying the `set-max-intset-entries` configuration parameter. This can be done using ACL to restrict unprivileged users from using the `CONFIG SET` command.
Vulnerability category: OverflowExecute code
Published 2021-05-04 16:15:08
Updated 2022-06-04 01:40:05
Source GitHub, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2021-29478

Top countries where our scanners detected CVE-2021-29478
Top open port discovered on systems with this issue 6379
IPs affected by CVE-2021-29478 1,156
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-29478!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-29478

Probability of exploitation activity in the next 30 days: 0.51%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 74 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2021-29478

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
6.0
 MEDIUM AV:N/AC:M/Au:S/C:P/I:P/A:P
6.8
6.4
 nvd@nist.gov
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 nvd@nist.gov
7.5
 HIGH CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.6
5.9
 security-advisories@github.com

CWE ids for CVE-2021-29478

  • The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security-advisories@github.com (Secondary)

References for CVE-2021-29478

Products affected by CVE-2021-29478

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