High severity · published Apr 7, 2022
CVE-2022-22519
A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
A remote, unauthenticated attacker can send a specific crafted HTTP or HTTPS requests causing a buffer over-read resulting in a crash of the webserver of the CODESYS Control runtime system.
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)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Control For Beaglebone SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Beckhoff Cx9020 · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Empc-a/imx6 SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Iot2000 SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Linux SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Pfc100 SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Pfc200 SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Plcnext SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Raspberry PI SL · Codesys
before 4.5.0.0 · source: NVD
CF
Control For Wago Touch Panels 600 SL · Codesys
before 4.5.0.0 · source: NVD
CR
Control Rte SL · Codesys
before 3.5.18.0 · source: NVD
CR
Control Rte SL (for Beckhoff Cx) · Codesys
before 3.5.18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22519
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22519
Vendor Advisory
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17094&token=2fb188e2213c74194e81ba61ff99f1c68602ba4d&download=
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