How severe is CVE-2018-5465?

CVE-2018-5465 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5465 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5465?

CVE-2018-5465 primarily affects Belden Hirschmann Rs20-0900mmm2tdau. In total, 134 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-5465?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-5465 published?

CVE-2018-5465 was published on 2018-03-06 and last updated on 2026-06-17.

CVE-2018-5465

CVE-2018-5465 is a high-severity vulnerability in Belden Hirschmann Rs20-0900mmm2tdau with a CVSS 3.x base score of 8.8. 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-384.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Belden Hirschmann Rs20-0900mmm2tdau
Published: 2018-03-06
Last modified: 2026-06-17

Description

A Session Fixation issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches. A session fixation vulnerability in the web interface has been identified, which may allow an attacker to hijack web sessions.

Frequently asked questions

What is CVE-2018-5465?: A Session Fixation issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000, MS, and OCTOPUS Classic Platform Switches. A session fixation vulnerability in the web interface has been identified, which may allow an attacker to hijack web sessions.
How severe is CVE-2018-5465?: CVE-2018-5465 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5465 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5465?: CVE-2018-5465 primarily affects Belden Hirschmann Rs20-0900mmm2tdau. In total, 134 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-5465?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-5465 published?: CVE-2018-5465 was published on 2018-03-06 and last updated on 2026-06-17.

References

Affected products (134)

cpe:2.3:h:belden:hirschmann_rs20-0900mmm2tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-0900nnm4tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-0900vvm2tdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2l2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2s2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600l2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600m2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600m2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2m2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2s2sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rs20-1600s2t1sdau:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsr20:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsr30:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800m2m2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800s2s2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0800t1t1taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2ttsaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2ttsaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2tttaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900m2tttaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2saabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2taab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900mmm2taabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2ttsaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2ttsaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2tttaab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900s2tttaabe:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900vvm2saab:-:*:*:*:*:*:*:*
cpe:2.3:h:belden:hirschmann_rsb20-0900vvm2saabe:-:*:*:*:*:*:*:*

More vulnerabilities in Belden Hirschmann Rs20-0900mmm2tdau

CVE-2018-5469 — Critical (CVSS 9.8): An Improper Restriction of Excessive Authentication Attempts issue was discovered in Belden Hirschmann RS, RSR, RSB,…
CVE-2018-5467 — Medium (CVSS 6.5): An Information Exposure Through Query Strings in GET Request issue was discovered in Belden Hirschmann RS, RSR, RSB,…
CVE-2018-5461 — Medium (CVSS 6.5): An Inadequate Encryption Strength issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100, MACH1000, MACH4000,…
CVE-2018-5471 — Medium (CVSS 5.9): A Cleartext Transmission of Sensitive Information issue was discovered in Belden Hirschmann RS, RSR, RSB, MACH100,…

All CVEs affecting Belden Hirschmann Rs20-0900mmm2tdau →

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