10.0crit

CVE-2007-4473

Gesytec Easylon OPC Server before 2.3.44 does not properly validate server handles, which allows remote attackers to execute arbitrary code…

Published 18 y ago · modified 4 mo ago · JSON

CVSS
10.0
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
5.7%
percentile 93%
Public exploits
0
none known

Summary

Gesytec Easylon OPC Server before 2.3.44 does not properly validate server handles, which allows remote attackers to execute arbitrary code or cause a denial of service via unspecified network traffic to the OLE for Process Control (OPC) interface, probably related to free operations on arbitrary memory addresses through certain Remove functions, and read and write operations on arbitrary memory addresses through certain Set, Read, and Write functions.

Exploit prediction (EPSS)

5.69% probability of exploitation in the next 30 days, higher than 93% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.010.0AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • secunia.com /advisories/28079 · third-party-advisory, x_refsource_SECUNIA, x_transferred
  • neutralbit.com /en/rd/opctest/ · x_refsource_MISC, x_transferred
  • osvdb.org /42650 · vdb-entry, x_refsource_OSVDB, x_transferred
  • neutralbit.com /downloads/NB-NB-001-EXT-OPC%20Security%20Testing.pdf · x_refsource_MISC, x_transferred
  • securityfocus.com /bid/26876 · vdb-entry, x_refsource_BID, x_transferred
  • kb.cert.org /vuls/id/205073 · third-party-advisory, x_refsource_CERT-VN, x_transferred
  • exchange.xforce.ibmcloud.com /vulnerabilities/39062 · vdb-entry, x_refsource_XF, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.