CVE-2021-22769
mediumpriority · track · 17EPSS 0.007 · 51 %ileEUUSEPSS · scored 2026-10-27
A CWE-552: Files or Directories Accessible to External Parties vulnerability exists in Easergy T300 with firmware V2.7.1 and older that could expose files or directory content when access from an attacker is not restricted or incorrectly restricted.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedEnerlin'X Com'X 510cisa_csaf_ot
To further reduce the risk, apply v6.8.4 or later of the Enerlin'X Com'X 510 firmware.
https://www.se.com/ww/en/download/document/ComX_510_v6.8.4/ - MitigationEnerlin'X Com'X 510cisa_csaf_ot
If the Guest account password on the device remains set to the default value, users should immediately change the account password to one that is unique and has a strong value.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4–8.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
- n/a Easergy T300 with firmware V2.7.1 and older≤ Easergy T300 with firmware V2.7.1 and olderenisa_euvdEU
- schneider-electric easergy t300 firmware≤ 2.7.1nvdUScpe:2.3:o:schneider-electric:easergy_t300_firmware:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- ICSA-21-168-01Schneider Electric Enerlin'X Com 'X 5102021-06-17icsa · cisa_csaf_otUS
Successful exploitation of this vulnerability could allow elevation of privileges, which could result in unintended disclosure of device configuration information to any authenticated user.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-06cnnvd
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02cnnvd
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-159-06Patchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-22769cnnvd
- https://us-cert.cisa.gov/ics/advisories/icsa-21-168-01cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.2172cnnvd
- https://www.cybersecurity-help.cz/vdb/SB2021061804cnnvd
- http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-02enisa_euvd
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