How severe is CVE-2015-5537?

CVE-2015-5537 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-5537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5537?

CVE-2015-5537 primarily affects Siemens Ruggedcom Rox Ii 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-2015-5537?

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

When was CVE-2015-5537 published?

CVE-2015-5537 was published on 2015-08-03 and last updated on 2026-06-17.

CVE-2015-5537

CVE-2015-5537 is a medium-severity vulnerability in Siemens Ruggedcom Rox Ii Firmware with a CVSS 2.0 base score of 4.3. 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 2.0 base score 4.3)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Siemens Ruggedcom Rox Ii Firmware
Published: 2015-08-03
Last modified: 2026-06-17

Description

The SSL layer of the HTTPS service in Siemens RuggedCom ROS before 4.2.0 and ROX II does not properly implement CBC padding, which makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, a different vulnerability than CVE-2014-3566.

Frequently asked questions

What is CVE-2015-5537?: The SSL layer of the HTTPS service in Siemens RuggedCom ROS before 4.2.0 and ROX II does not properly implement CBC padding, which makes it easier for man-in-the-middle attackers to obtain cleartext data via a padding-oracle attack, a different vulnerability than CVE-2014-3566.
How severe is CVE-2015-5537?: CVE-2015-5537 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-5537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5537?: CVE-2015-5537 primarily affects Siemens Ruggedcom Rox Ii 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-2015-5537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5537 published?: CVE-2015-5537 was published on 2015-08-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:siemens:ruggedcom_rox_ii_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:ruggedcom_rugged_operating_system:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens Ruggedcom Rox Ii Firmware

CVE-2024-56835 — High (CVSS 8.8): A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.17.0), RUGGEDCOM ROX MX5000RE (All…
CVE-2024-56836 — High (CVSS 7.5): A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.17.0), RUGGEDCOM ROX MX5000RE (All…
CVE-2018-5391 — High (CVSS 7.5): The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified…
CVE-2018-5379 — High (CVSS 7.5): The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when processing certain forms of UPDATE…
CVE-2024-56840 — High (CVSS 7.2): A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.17.0), RUGGEDCOM ROX MX5000RE (All…
CVE-2024-56839 — High (CVSS 7.2): A vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.17.0), RUGGEDCOM ROX MX5000RE (All…

All CVEs affecting Siemens Ruggedcom Rox Ii 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 →