Skip to content
Fencer Vulns
high 7.5

CVE-2020-21572 json

Buffer overflow vulnerability in function src_parser_trans_stage_1_2_3 trgil gilcc before commit 803969389ca9c06237075a7f8eeb1a19e6651759,…

published 2021-11-02 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-14340

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Buffer overflow vulnerability in function src_parser_trans_stage_1_2_3 trgil gilcc before commit 803969389ca9c06237075a7f8eeb1a19e6651759, allows attackers to cause a denial of service.

Patch / fix

  • gilcc_project gilcc 2019-12-22

Exploit prediction

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.