CVE-2021-37519
CVE-2021-37519 is a medium-severity vulnerability in Memcached with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Memcached
- Published:
- Last modified:
Description
Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.
Frequently asked questions
- What is CVE-2021-37519?
- Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.
- How severe is CVE-2021-37519?
- CVE-2021-37519 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2021-37519 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-37519?
- CVE-2021-37519 affects Memcached. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-37519?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-37519 published?
- CVE-2021-37519 was published on 2023-02-03 and last updated on 2026-06-17.
References
- https://github.com/memcached/memcached/issues/805
- https://github.com/memcached/memcached/pull/806/commits/264722ae4e248b453be00e97197dadc685b60fd0
Affected products (1)
- cpe:2.3:a:memcached:memcached:1.6.9:*:*:*:*:*:*:*
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