7.5

CVE-2016-1888: freebsd Improper Authentication

CVSS: 7.5v3.0HighModified
Published 15-02-2017Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2016-1888 is a high (CVSS 7.5) Improper Authentication vulnerability in freebsd. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
1.88%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-02-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The telnetd service in FreeBSD 9.3, 10.1, 10.2, 10.3, and 11.0 allows remote attackers to inject arguments to login and bypass authentication via vectors involving a "sequence of memory allocation failures."

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.88%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

+0.16 pp

From 1.71% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Freebsd1 product
  • freebsdEOL9.3 | 10.1 | 10.2 | 10.3 | 11.0

1 vendor · 1 product

References

2 links