High severity · published Aug 22, 2023
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
7.5
CVSS
1.2%
EPSS
No
On KEV
Description
An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 67% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libssh2 · Libssh2
1.10.0 · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-22218
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-22218
Issue Tracking
https://github.com/libssh2/libssh2/pull/476
lists.debian.org
https://lists.debian.org/debian-lts-announce/2023/09/msg00006.html
security.netapp.com
https://security.netapp.com/advisory/ntap-20231006-0002/
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
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