CVE-2021-34544Public exploitNetwork attack vector

Credential disclosure via cleartext web configuration pages

Published Dec 7, 2021 · Updated Nov 11, 2024

Cleartext credential storage in Solar-Log 500 before 2.8.2 Build 52 allows remote authenticated users to read service passwords over HTTP. The /export.html, /email.html, and /sms.html pages retain FTP, SMTP, and SMS passwords in plaintext and display them to authenticated viewers. Access to the device's web interface and low-privilege authentication are required; exposure is limited to stored service credentials.

CVSS severity6.5
Medium
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential storage in Solar-Log 500 before 2.8.2 Build 52 allows remote authenticated users to read service passwords over HTTP. The /export.html, /email.html, and /sms.html pages retain FTP, SMTP, and SMS passwords in plaintext and display them to authenticated viewers. Access to the device's web interface and low-privilege authentication are required; exposure is limited to stored service credentials.

The record

CVE
CVE-2021-34544
Published
Dec 7, 2021
Updated
Nov 11, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-312, T1552.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 7, 2021CVE publishedPublication date reported by the CVE source.
  2. Nov 11, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

4.0NIST NVDAV:N/AC:L/Au:S/C:P/I:N/A:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information
T1552.001Unsecured Credentials Credentials In Files

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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