How severe is CVE-2020-13229?

CVE-2020-13229 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-2020-13229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13229?

CVE-2020-13229 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-13229?

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-2020-13229 published?

CVE-2020-13229 was published on 2020-06-02 and last updated on 2026-06-17.

CVE-2020-13229

CVE-2020-13229 is a high-severity vulnerability in Sysax Multi Server 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% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Sysax Multi Server
Published: 2020-06-02
Last modified: 2026-06-17

Description

An issue was discovered in Sysax Multi Server 6.90. A session can be hijacked if one observes the sid value in any /scgi URI, because it is an authentication token.

Frequently asked questions

What is CVE-2020-13229?: An issue was discovered in Sysax Multi Server 6.90. A session can be hijacked if one observes the sid value in any /scgi URI, because it is an authentication token.
How severe is CVE-2020-13229?: CVE-2020-13229 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-2020-13229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13229?: CVE-2020-13229 affects Sysax Multi Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-13229?: 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-2020-13229 published?: CVE-2020-13229 was published on 2020-06-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sysax:multi_server:6.90:*:*:*:*:*:*:*

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