7.5

CVE-2023-27857: rockwell automation thinmanager thinserver Out-of-bounds Read

CVSS: 7.5v3.1HighModified
Published 22-03-2023Last modified 21-10-2024
Open JSON

Vulnerability summary

CVE-2023-27857 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in rockwell automation thinmanager thinserver. EPSS estimates a 18.34% chance of exploitation in the next 30 days, higher than 97.2% of scored vulnerabilities.

Overall risk
34/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
18.34%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-03-2023
    PublishedVulnerability first disclosed.
  2. 21-10-2024
    Last modifiedVulnerability information updated.

Description

In affected versions, a heap-based buffer over-read condition occurs when the message field indicates more data than is present in the message field in Rockwell Automation's ThinManager ThinServer.  An unauthenticated remote attacker can exploit this vulnerability to crash ThinServer.exe due to a read access violation.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

18.34%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 18.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
18.34%

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

Affected systems

Rockwell automation1 product
  • thinmanager thinserver6.x - 10.x | 11.0.0 - 11.0.5 | 11.1.0 - 11.1.5 | 11.2.0 - 11.2.6 | 12.0.0 - 12.0.4 | 12.1.0 - 12.1.5 | 13.0.0 - 13.0.1
Rockwellautomation1 product
  • thinmanager≥ 11.0.0, < 11.0.5 | ≥ 11.1.0, < 11.1.5 | ≥ 11.2.0, < 11.2.6 | ≥ 12.0.0, < 12.0.3 | ≥ 12.1.0, < 12.1.4 | 13.0.0

2 vendors · 2 products

References

1 links