CVE-2020-29562

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 04 Dec 2020, 06:48
Last modified:09 Jun 2025, 15:14

Vulnerability Summary

Overall Risk (default)
medium
29/100
CVSS Score
4.8 MEDIUM
v3.1 (cve.org)
EPSS Score
0.05% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

04 Dec 2020, 06:48
Published
Vulnerability first disclosed
09 Jun 2025, 15:14
Last Modified
Vulnerability information updated

Description

The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.8CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 2.1AV:N/AC:H/Au:S/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.05%• Percentile: 17%

Techniques & Countermeasures

  • CWE-617•Reachable Assertion

    The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

Affected Systems

  • fedoraproject•fedora

    32

  • gnu•glibc

    ≥ 2.30, ≤ 2.32

  • netapp•e-series_santricity_os_controller

    ≥ 11.0.0, ≤ 11.60.3

References (5)