How severe is CVE-2021-34544?

CVE-2021-34544 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-34544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34544?

CVE-2021-34544 primarily affects Bkw Solar-log 500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-34544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-34544 published?

CVE-2021-34544 was published on 2021-12-07 and last updated on 2026-06-17.

CVE-2021-34544

CVE-2021-34544 is a medium-severity vulnerability in Bkw Solar-log 500 Firmware with a CVSS 3.x base score of 6.5. 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-312.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Bkw Solar-log 500 Firmware
Published: 2021-12-07
Last modified: 2026-06-17

Description

An issue was discovered in Solar-Log 500 before 2.8.2 Build 52 23.04.2013. In /export.html, email.html, and sms.html, cleartext passwords are stored. This may allow sensitive information to be read by someone with access to the device. Fixed with 3.0.0-60 11.10.2013 for SL 200, 500, 1000 / not existing for SL 250, 300, 1200, 2000, SL 50 Gateway, SL Base.

Frequently asked questions

What is CVE-2021-34544?: An issue was discovered in Solar-Log 500 before 2.8.2 Build 52 23.04.2013. In /export.html, email.html, and sms.html, cleartext passwords are stored. This may allow sensitive information to be read by someone with access to the device. Fixed with 3.0.0-60 11.10.2013 for SL 200, 500, 1000 / not existing for SL 250, 300, 1200, 2000, SL 50 Gateway, SL Base.
How severe is CVE-2021-34544?: CVE-2021-34544 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-34544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34544?: CVE-2021-34544 primarily affects Bkw Solar-log 500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-34544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34544 published?: CVE-2021-34544 was published on 2021-12-07 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:bkw:solar-log_500_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bkw:solar-log_500_firmware:2.8.2:build_50:*:*:*:*:*:*

More vulnerabilities in Bkw Solar-log 500 Firmware

CVE-2021-34543 — High (CVSS 7.5): The web administration server in Solar-Log 500 before 2.8.2 Build 52 does not require authentication, which allows…

All CVEs affecting Bkw Solar-log 500 Firmware →

Other CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities

CVE-2022-43757 — Critical (CVSS 9.9): A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows users on managed clusters to gain…
CVE-2021-36782 — Critical (CVSS 9.9): A Cleartext Storage of Sensitive Information vulnerability in SUSE Rancher allows authenticated Cluster Owners, Cluster…
CVE-2020-9045 — Critical (CVSS 9.9): During installation or upgrade to Software House C•CURE 9000 v2.70 and American Dynamics victor Video Management…
CVE-2026-31848 — Critical (CVSS 9.8): Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 uses the ecos_pw cookie for authentication, which…
CVE-2025-65826 — Critical (CVSS 9.8): The mobile application was found to contain stored credentials for the network it was developed on. If an attacker…
CVE-2025-34206 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) Virtual Appliance Host and Application (VA and SaaS deployments) mount host…

Browse all CWE-312 (Cleartext Storage of Sensitive Information) vulnerabilities →