CVE-2020-10639: eaton hmisoft_vu3_firmware Stack-based Buffer Overflow
Modified
Published 15-04-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-10639 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in eaton hmisoft_vu3_firmware. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.80%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 15-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could cause a buffer overflow when loaded by the affected product.
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
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.80% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
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-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Affected systems
Eaton1 product
- hmisoft_vu3_firmware≤ 3.00.23
1 vendor · 1 product
References
1 links- www.us-cert.gov/ics/advisories/icsa-20-105-01X Refsource MISCThird Party AdvisoryUS Government Resource