Security readout for executives and security teams
Plain-English summary
Memcached 1.6.x before 1.6.2 can be crashed remotely by a malformed binary protocol header. The business impact is service disruption for applications that depend on Memcached for caching or session performance. The source bundle does not show data theft, privilege escalation, or confirmed active exploitation.
Executive priority
Prioritize remediation for internet-facing or broadly reachable Memcached services because exploitation can disrupt dependent applications. For tightly isolated internal caches, handle through normal patch cycles with network access review.
Technical view
The issue affects Memcached 1.6.x before 1.6.2. A crafted binary protocol header can trigger a denial-of-service daemon crash in try_read_command_binary in memcached.c. Public sources identify the fixing commit and 1.6.2 release notes, but the bundle provides no CVSS, CWE, or detailed affected CPE data.
Likely exposure
Exposure is most relevant where Memcached 1.6.0 or 1.6.1 is reachable by untrusted clients, including exposed internal networks. Risk is lower where Memcached is isolated to trusted application hosts. The provided affected-product metadata is incomplete.
Exploitation context
The CVE description supports remote denial of service via a crafted binary protocol header. KEV is false, and the provided sources do not claim active exploitation in the wild. Treat public GitHub issue and commit details as enough for defenders to prioritize patching exposed services.
Researcher notes
The strongest evidence is the CVE description, GitHub issue, fixing commit, and 1.6.2 release notes. Missing CVSS, CWE, and structured affected CPE data reduce precision. No source in the bundle supports confidentiality or integrity impact.
Mitigation direction
- Upgrade Memcached 1.6.x deployments to 1.6.2 or later.
- Restrict Memcached access to trusted application hosts only.
- Block untrusted network paths to Memcached services.
- Review vendor release notes and guidance before production rollout.
Validation and detection
- Inventory all Memcached instances and record exact versions.
- Flag Memcached 1.6.x versions earlier than 1.6.2.
- Check whether Memcached is reachable from untrusted networks.
- Review service monitoring for unexplained Memcached daemon crashes.
- Confirm upgraded instances remain stable after normal application traffic.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2020-10931 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/memcached/memcached/issues/629CVE reference · x_refsource_MISC
- https://github.com/memcached/memcached/commit/02c6a2b62ddcb6fa4569a591d3461a156a636305CVE reference · x_refsource_MISC
- https://github.com/memcached/memcached/wiki/ReleaseNotes162CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.