How severe is CVE-2018-12453?

CVE-2018-12453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-12453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12453?

CVE-2018-12453 affects Redislabs Redis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-12453 published?

CVE-2018-12453 was published on 2018-06-16 and last updated on 2026-06-17.

CVE-2018-12453

CVE-2018-12453 is a high-severity vulnerability in Redislabs Redis with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 24% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-704.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 24% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-704
Affected product: Redislabs Redis
Published: 2018-06-16
Last modified: 2026-06-17

Description

Type confusion in the xgroupCommand function in t_stream.c in redis-server in Redis before 5.0 allows remote attackers to cause denial-of-service via an XGROUP command in which the key is not a stream.

Frequently asked questions

What is CVE-2018-12453?: Type confusion in the xgroupCommand function in t_stream.c in redis-server in Redis before 5.0 allows remote attackers to cause denial-of-service via an XGROUP command in which the key is not a stream.
How severe is CVE-2018-12453?: CVE-2018-12453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-12453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 24% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12453?: CVE-2018-12453 affects Redislabs Redis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-12453 published?: CVE-2018-12453 was published on 2018-06-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:redislabs:redis:*:*:*:*:*:*:*:*

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Other CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities

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CVE-2020-25576 — Critical (CVSS 9.8): An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices…
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Browse all CWE-704 (Incorrect Type Conversion or Cast) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

120.48.174.141 (ipv4-addr)