Read the docs
TI-2026-44759 Aliases CVE-2026-62645GHSA-fvvh-v2c5-rpg2

Missing authentication in Siemens Reyrolle 7SR5

Priority MEDIUM 49CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

A vulnerability has been identified in Reyrolle 7SR5 (All versions < V2.70). Information is exposed through the web interface that can be used to calculate the current and past session ID numbers. This could allow an attacker to bypass the authentication and gain unauthorized access to the device.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00646 51st percentileScored 2026-11-07
Fix Fixed Reyrolle 7SR5 (Siemens): V2.70

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensReyrolle 7SR5before V2.70V2.70Patch availableCNA
  • Reyrolle 7SR5 VendorSiemens Affected before V2.70 Fixed in V2.70 Patch available CNA

Remediation

  • Fix · CNA Reyrolle 7SR5 (Siemens) Fixed in V2.70

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Siemens Reyrolle 7SR5 V2.70

    9 records Highest priority Priority MEDIUM 6 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2026-44763 Resource allocation without limits in Siemens Reyrolle 7SR5Priority MEDIUM 44
    • TI-2026-44762 Out-of-bounds write in Siemens Reyrolle 7SR5Priority MEDIUM 44
    • TI-2026-44761 Improper input validation in Siemens Reyrolle 7SR5Priority MEDIUM 43
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-62645
  2. 2026-10-03 Alias added: GHSA-fvvh-v2c5-rpg2
  3. 2026-10-19 EPSS moved to the 50th–90th percentile

References

Other 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-09686 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-07142 Code injection in Spring Framework KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
See all 2487 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences