CVE-2021-33004: advantech webaccess\/hmi_designer
CVSS: 7.8v3.1HighModified
Published 24-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-33004 is a high (CVSS 7.8) vulnerability in advantech webaccess\/hmi_designer. EPSS estimates a 0.95% chance of exploitation in the next 30 days, higher than 60.8% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.95%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The affected product is vulnerable to memory corruption condition due to lack of proper validation of user supplied files, which may allow an attacker to execute arbitrary code. User interaction is required on the WebAccess HMI Designer (versions 2.1.9.95 and prior).
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
0.95%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.95% on 21-09-2026
21-09-202621-10-2026
EPSS score0.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Advantech1 product
- webaccess\/hmi_designer≤ 2.1.9.95
1 vendor · 1 product
References
1 links
us-cert.cisa.gov/ics/advisories/icsa-21-173-01X Refsource MISCThird Party AdvisoryUS Government Resource