Buffer overflow in Memcached
CVE-2020-10931
Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.281 (98.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.281 · newest: 0.281 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/memcached/memcached/issues/629 (Exploit, Third Party Advisory)
- github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305 (Patch, Third Party Advisory)
- github.com/memcached/memcached/wiki/ReleaseNotes162 (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-10931?
- CVE-2020-10931 is a high-severity vulnerability in Memcached, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2020-03-24.
- How severe is CVE-2020-10931?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-10931 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.