CVE-2021-35944
HIGHCVSS 7.5/10EPSS 1.06%
Last modified
CVE-2021-35944 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Couchbase | Couchbase Server | >= 6.5.0, <= 6.5.2 |
| Couchbase | Couchbase Server | >= 6.6.0, <= 6.6.2 |
| Couchbase | Couchbase Server | 7.0.0 |
References
- https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
- https://www.couchbase.com/alertsVendor Advisory
- https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
- https://www.couchbase.com/alertsVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35944?
Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.
How severe is CVE-2021-35944?
CVE-2021-35944 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35944?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-35944?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST