CVE-2020-27281: deltaww cncsoft_screeneditor Stack-based Buffer Overflow
CVSS: 7.8v3.1HighModified
Published 11-01-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-27281 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in deltaww cncsoft_screeneditor. EPSS estimates a 2.10% chance of exploitation in the next 30 days, higher than 81.5% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
2.10%
0%100%
Low · +0.09 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
A stack-based buffer overflow may exist in Delta Electronics CNCSoft ScreenEditor versions 1.01.26 and prior when processing specially crafted 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
2.10%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.09 pp
From 2.02% on 21-09-2026
21-09-202621-10-2026
EPSS score2.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Deltaww1 product
- cncsoft_screeneditor≤ 1.01.26
1 vendor · 1 product
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-21-005-06X Refsource MISCThird Party AdvisoryUS Government Resource