CVE-2021-27455
CVE-2021-27455 is a medium-severity vulnerability in Deltaww Dopsoft with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Deltaww Dopsoft
- Published:
- Last modified:
Description
Delta Electronics DOPSoft Versions 4.0.10.17 and prior are vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to disclose information.
Frequently asked questions
- What is CVE-2021-27455?
- Delta Electronics DOPSoft Versions 4.0.10.17 and prior are vulnerable to an out-of-bounds read while processing project files, which may allow an attacker to disclose information.
- How severe is CVE-2021-27455?
- CVE-2021-27455 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-27455 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27455?
- CVE-2021-27455 affects Deltaww Dopsoft. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27455?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-27455 published?
- CVE-2021-27455 was published on 2021-07-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:deltaww:dopsoft:*:*:*:*:*:*:*:*
More vulnerabilities in Deltaww Dopsoft
- CVE-2023-43824 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
- CVE-2023-43823 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
- CVE-2023-43822 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
- CVE-2023-43821 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
- CVE-2023-43820 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
- CVE-2023-43819 — High (CVSS 8.8): A stack based buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft when parsing the…
All CVEs affecting Deltaww Dopsoft →
Other CWE-125 (Out-of-bounds Read) vulnerabilities
- CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
- CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
- CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
- CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
- CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
- CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…