CVE-2020-27277
No exploitation reported by the sources we read.
- Published2021-01-11
- WeaknessCWE-476 · CWE-822
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Delta Electronics DOPSoft Version 4.0.8.21 and prior has a null pointer dereference issue while processing project files, which may allow an attacker to execute arbitrary code.
Timeline
dates in UTC- 2021-01-1116:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-27277?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-27277?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.0 | ≤ 4.0.8.21 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Delta Electronics DOPSoft
DOPSoft: Version 4.0.8.21 and prior
Fix
- Vendor fix CISA ICSA-21-005-05 · 1 productUpdate to the latest version of DOPSoft v4.00.10.17 or higher.
- Vendor fix CISA ICSA-21-005-05 · 1 productUse DOPSoft v4.00.10.17 to open old project files (*.dpa) then save as new files. Following that, use the new saved project files and discard the old ones.
- Mitigation from the vendor CISA ICSA-21-005-05 · 1 productRestrict interaction of the application with trusted files.
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.17.8read 2026-10-23
- NVDCVSS 2.09.3read 2026-10-23
- CNAweakness (CWE)CWE-822read 2026-10-23
- NVDweakness (CWE)CWE-476read 2026-10-23
- FIRST EPSSEPSS score2.3 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published
- 2021-01-11
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2020-27277?
Is CVE-2020-27277 actively exploited?
What is the CVSS score for CVE-2020-27277?
Running Delta Electronics DOPSoft? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.