CVE-2021-37519

MEDIUM
Published Feb 3, 20233y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 3, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 1

VendorProductVersionRange
memcachedmemcached1.6.9any

References 2

  • github.com https://github.com/memcached/memcached/issues/805
    ExploitIssue TrackingThird Party Advisory
  • github.com https://github.com/memcached/memcached/pull/806/commits/264722ae4e248b453be00e97197dadc685b60fd0
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/memcached/memcached/pull/806/commits/264722ae4e248b453be00e97197dadc685b60fd0
    PatchThird Party Advisory