7.8

CVE-2014-2255: siemens simatic_s7-1500_cpu_firmware

CVSS: 7.8v2.0HighModified
Published 16-03-2014Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2014-2255 is a high (CVSS 7.8) vulnerability in siemens simatic_s7-1500_cpu_firmware. EPSS estimates a 4.46% chance of exploitation in the next 30 days, higher than 91.3% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
4.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-03-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.46%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Siemens1 product

1 vendor · 1 product

References

3 links