CVE-2016-2181
7.5
HIGH
CVSS 3.1
EPSS 24.3%
Description
The Anti-Replay feature in the DTLS implementation in OpenSSL before 1.1.0 mishandles early use of a new epoch number in conjunction with a large sequence number, which allows remote attackers to cause a denial of service (false-positive packet drops) via spoofed DTLS records, related to rec_layer_d1.c and ssl3_record.c.
How to fix CVE-2016-2181
To remediate CVE-2016-2181, upgrade the affected package to a fixed version below.
- Alpine/openssl—upgrade to 1.0.2h-r4 or later
- —upgrade to 1.0.2i-1 or later
Is CVE-2016-2181 being exploited?
Moderate — EPSS is 24.3%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 1.0.2h-r4
- from 0, < 1.0.2i-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |