CVE-2016-2181

Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 16 Sept 2016, 00:00
Last modified:05 Aug 2024, 23:17

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
7.5 HIGH
v3.0 (nvd)
EPSS Score
24.27% HIGH
24% probability +1.24%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Sept 2016, 00:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:17
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 24.27%• Percentile: 96%

Techniques & Countermeasures

  • CWE-189•Numeric Errors

    Weaknesses in this category are related to improper calculation or conversion of numbers.

Affected Systems

  • Unknown•OpenSSL

    1.0.1 | 1.0.1a | 1.0.1b | 1.0.1c | 1.0.1d | 1.0.1e | 1.0.1f | 1.0.1g | 1.0.1h | 1.0.1i | 1.0.1j | 1.0.1k | 1.0.1l | 1.0.1m | 1.0.1n | 1.0.1o | 1.0.1p | 1.0.1q | 1.0.1r | 1.0.1s | 1.0.1t | 1.0.2 | 1.0.2a | 1.0.2b | 1.0.2c | 1.0.2d | 1.0.2e | 1.0.2f | 1.0.2g | 1.0.2h

  • oracle•linux

    6 | 7

References (41)