Buffer overflow in Libssh2

CVE-2020-22218

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.

Vulnerability class: Buffer Overflow

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Libssh2 — versions 1.10.0
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-22218?
CVE-2020-22218 is a high-severity vulnerability in Libssh2, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2020-22218?
High severity. CVSS v3 base score is 7.5 out of 10.