CVE-2020-27287: deltaww cncsoft-b Out-of-bounds Write
CVSS: 7.8v3.1HighModified
Published 11-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-27287 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in deltaww cncsoft-b. EPSS estimates a 2.64% chance of exploitation in the next 30 days, higher than 85.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
2.64%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-01-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Delta Electronics CNCSoft-B Versions 1.0.0.2 and prior is vulnerable to an out-of-bounds write while processing project files, which may allow an attacker to execute arbitrary code.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.64%
Chance of exploitation in the next 30 days
Percentile
85%
Versus all other CVEs
30-day change
+0.11 pp
From 2.53% on 21-09-2026
21-09-202621-10-2026
EPSS score2.64%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Deltaww1 product
- cncsoft-b≤ 1.0.0.2
1 vendor · 1 product
References
6 links
us-cert.cisa.gov/ics/advisories/icsa-21-007-04X Refsource MISCThird Party AdvisoryUS Government Resource