CVE-2021-33195

Aliases:GO-2021-0239BIT-golang-2021-33195
Advisory lineage Upstream: 0 Downstream: 25
Modified
Published: 02 Aug 2021, 18:51
Last modified:03 Aug 2024, 23:42

Vulnerability Summary

Overall Risk (default)
medium
40/100
CVSS Score
7.5 HIGH
v2.0 (nvd)
EPSS Score
0.03% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

02 Aug 2021, 18:51
Published
Vulnerability first disclosed
03 Aug 2024, 23:42
Last Modified
Vulnerability information updated

Description

Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection (e.g., XSS) that does not conform to the RFC1035 format.

CVSS Metrics

  • v3.1•HIGH•Score: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 0.03%• Percentile: 9%

Techniques & Countermeasures

  • CWE-74•Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

    The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Affected Systems

  • golang•go

    < 1.15.13 | ≥ 1.16.0, < 1.16.5

  • Go•stdlib

    ≥ 1.16.0-0, < 1.16.5

  • netapp•cloud_insights_telegraf_agent

    na

References (7)