How severe is CVE-2022-36536?

CVE-2022-36536 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36536?

CVE-2022-36536 affects Syncovery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36536?

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

When was CVE-2022-36536 published?

CVE-2022-36536 was published on 2022-09-16 and last updated on 2026-07-05.

CVE-2022-36536

CVE-2022-36536 is a critical-severity vulnerability in Syncovery with a CVSS 3.x base score of 9.8. 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-330.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-330
Affected product: Syncovery
Published: 2022-09-16
Last modified: 2026-07-05

Description

An issue in the component post_applogin.php of Super Flexible Software GmbH & Co. KG Syncovery 9 for Linux v9.47x and below allows attackers to escalate privileges via creating crafted session tokens.

Frequently asked questions

What is CVE-2022-36536?: An issue in the component post_applogin.php of Super Flexible Software GmbH & Co. KG Syncovery 9 for Linux v9.47x and below allows attackers to escalate privileges via creating crafted session tokens.
How severe is CVE-2022-36536?: CVE-2022-36536 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36536?: CVE-2022-36536 affects Syncovery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36536?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-36536 published?: CVE-2022-36536 was published on 2022-09-16 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:syncovery:syncovery:*:*:*:*:*:*:*:*

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CVE-2022-36534 — High (CVSS 8.8): Super Flexible Software GmbH & Co. KG Syncovery 9 for Linux v9.47x and below was discovered to contain multiple remote…
CVE-2022-36533 — Medium (CVSS 5.4): Super Flexible Software GmbH & Co. KG Syncovery 9 for Linux v9.47x and below was discovered to contain a cross-site…

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