Schneider Electric OPC Factory Server Buffer Overflow
Multiple buffer overflows in the OPC Automation 2.0 Server Object ActiveX control in Schneider Electric OPC Factory Server (OFS) TLXCDSUOFS33 3.5 and earlier, TLXCDSTOFS33 3.5 and earlier, TLXCDLUOFS33 3.5 and earlier, TLXCDLTOFS33 3.5 and earlier, and TLXCDLFOFS33 3.5 and earlier allow remote attackers to cause a denial of service via long arguments to unspecified functions.
CVE 해결 방법
Schneider Electric has developed a patch to resolve this issue. In order to patch the installation in the field, install OFS V3.5SP1, available on Schneider Electric’s web site at the following URL: http://www2.schneider-electric.com/sites/corporate/en/support/cybersecurity/cybersecurity.page
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
메트릭
메트릭
점수
심각도
CVSS 벡터
출처
V2
5
AV:N/AC:L/Au:N/C:N/I:N/A:P
V2
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
nvd@nist.gov
EPSS
EPSS는 취약점이 악용될 가능성을 예측하는 점수 모델입니다.
EPSS 점수
EPSS 모델은 0과 1(0~100%) 사이의 확률 점수를 생성합니다. 점수가 높을수록 취약점이 악용될 가능성이 높습니다.
날짜
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
1.06%
–
–
2022-02-13
–
–
1.06%
–
–
2022-03-20
–
–
1.06%
–
–
2022-04-03
–
–
1.06%
–
–
2022-04-10
–
–
1.06%
–
–
2022-07-03
–
–
1.06%
–
–
2022-09-25
–
–
1.06%
–
–
2023-02-19
–
–
1.06%
–
–
2023-03-12
–
–
–
0.24%
–
2023-05-28
–
–
–
0.24%
–
2023-10-01
–
–
–
0.24%
–
2024-02-11
–
–
–
0.24%
–
2024-04-14
–
–
–
0.24%
–
2024-06-02
–
–
–
0.24%
–
2024-08-25
–
–
–
0.24%
–
2024-09-08
–
–
–
0.24%
–
2024-11-17
–
–
–
0.24%
–
2024-12-22
–
–
–
0.21%
–
2024-12-29
–
–
–
0.21%
–
2025-01-19
–
–
–
0.21%
–
2025-02-23
–
–
–
0.2%
–
2025-02-23
–
–
–
0.2%
–
2025-03-02
–
–
–
0.2%
–
2025-03-09
–
–
–
0.2%
–
2025-03-18
–
–
–
–
0.47%
2025-03-30
–
–
–
–
0.52%
2025-04-15
–
–
–
–
0.52%
2025-05-03
–
–
–
–
0.52%
2025-05-04
–
–
–
–
0.52%
2025-05-28
–
–
–
–
0.52%
2025-05-29
–
–
–
–
0.52%
2025-06-01
–
–
–
–
0.52%
2025-06-06
–
–
–
–
0.52%
2025-06-07
–
–
–
–
0.52%
2025-09-26
–
–
–
–
1.05%
2025-11-18
–
–
–
–
1.05%
2025-11-21
–
–
–
–
1.05%
2026-04-05
–
–
–
–
1.05%
EPSS 백분위수
백분위수는 EPSS 점수에 따라 CVE의 순위를 매기는 데 사용됩니다. 예를 들어 EPSS 점수 기준 95번째 백분위수의 CVE는 다른 CVE의 95%보다 악용될 가능성이 높습니다.