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Fencer Vulns
critical 9.8

CVE-2021-44486 json

An issue was discovered in YottaDB through r1.32 and V7.0-000.

published 2022-04-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-31319

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

An issue was discovered in YottaDB through r1.32 and V7.0-000. Using crafted input, attackers can manipulate the value of a function pointer used in op_write in sr_port/op_write.c in order to gain control of the flow of execution.

Exploit prediction

1.97% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gitlab.com https://gitlab.com/YottaDB/DB/YDB/-/issues/828 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.