CVE-2021-35527
No exploitation reported by the sources we read.
- Published2021-07-14
- Fixed in6.3.1
- WeaknessCWE-200 · CWE-522
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
Password autocomplete vulnerability in the web application password field of Hitachi ABB Power Grids eSOMS allows attacker to gain access to user credentials that are stored by the browser. This issue affects: Hitachi ABB Power Grids eSOMS version 6.3 and prior versions.
Timeline
dates in UTC- 2021-07-1414:15CVE 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-2021-35527?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-35527?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 |
|---|---|---|---|
| 6.3 | < 6.3.1 | 6.3.1 | 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
Hitachi ABB Power Grids eSOMS
eSOMS: All Versions 6.3 and prior
Fix
- Update Hitachienergy esoms to 6.3.1
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productHitachi ABB Power Grids recommends users update to Version 6.3.1 or later.
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productHitachi ABB Power Grids also recommends implementing security best practices and firewall configurations, which help protect a process control network from attacks that originate from outside the network.
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productEnsuring critical applications and systems are physically protected from direct access by unauthorized personnel, have no direct connections to the Internet, and are separated from other networks by means of a firewall.
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productFirewalls should be configured to have the minimum number of ports exposed and open ports should be justified and documented.
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productCritical systems should not be used for Internet surfing, instant messaging, or receiving e-mails.
- Mitigation from the vendor CISA ICSA-21-210-01 · 1 productPortable computers and removable storage media should be carefully scanned for viruses before they are connected to a control system.
Advisories and patches
- search.abb.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Published
- 2021-07-14
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-35527?
Is CVE-2021-35527 actively exploited?
What is the CVSS score for CVE-2021-35527?
Running Hitachi ABB Power Grids eSOMS? 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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Go further
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.