How severe is CVE-2018-5752?

CVE-2018-5752 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5752 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-2018-5752?

CVE-2018-5752 primarily affects Open-xchange Open-xchange Appsuite. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-5752?

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-2018-5752 published?

CVE-2018-5752 was published on 2018-06-16 and last updated on 2026-06-17.

CVE-2018-5752

CVE-2018-5752 is a high-severity vulnerability in Open-xchange Open-xchange Appsuite 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-918.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Open-xchange Open-xchange Appsuite
Published: 2018-06-16
Last modified: 2026-06-17

Description

The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote attackers to conduct server-side request forgery (SSRF) attacks via vectors involving non-decimal representations of IP addresses and special IPv6 related addresses.

Frequently asked questions

What is CVE-2018-5752?: The backend component in Open-Xchange OX App Suite before 7.6.3-rev36, 7.8.x before 7.8.2-rev39, 7.8.3 before 7.8.3-rev44, and 7.8.4 before 7.8.4-rev22 allows remote attackers to conduct server-side request forgery (SSRF) attacks via vectors involving non-decimal representations of IP addresses and special IPv6 related addresses.
How severe is CVE-2018-5752?: CVE-2018-5752 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5752 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-2018-5752?: CVE-2018-5752 primarily affects Open-xchange Open-xchange Appsuite. In total, 78 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-5752?: 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-2018-5752 published?: CVE-2018-5752 was published on 2018-06-16 and last updated on 2026-06-17.

References

Affected products (78)

cpe:2.3:a:open-xchange:open-xchange_appsuite:*:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev14:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev15:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev16:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev17:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev18:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev20:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev22:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev23:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev24:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev25:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev26:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev28:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev29:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev30:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev31:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev32:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev33:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.6.3:rev35:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.0:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.2:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:*:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev10:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev11:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev12:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev13:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev14:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev15:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev16:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev17:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev18:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev19:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev20:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev21:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev22:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev23:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev24:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev25:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev26:*:*:*:*:*:*
cpe:2.3:a:open-xchange:open-xchange_appsuite:7.8.3:rev27:*:*:*:*:*:*

More vulnerabilities in Open-xchange Open-xchange Appsuite

CVE-2017-13667 — Critical (CVSS 9.9): OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: SSRF.
CVE-2020-12645 — Critical (CVSS 9.8): OX App Suite 7.10.1 to 7.10.3 has improper input validation for rate limits with a crafted User-Agent header, spoofed…
CVE-2019-7158 — Critical (CVSS 9.8): OX App Suite 7.10.0 and earlier has Incorrect Access Control.
CVE-2017-5212 — Critical (CVSS 9.8): Open-Xchange GmbH OX App Suite 7.8.3 is affected by: Incorrect Access Control.
CVE-2017-5210 — Critical (CVSS 9.8): Open-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Information Exposure.
CVE-2017-17060 — Critical (CVSS 9.8): OX Software GmbH OX App Suite 7.8.4 and earlier is affected by: Insecure Permissions.

All CVEs affecting Open-xchange Open-xchange Appsuite →

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities

CVE-2026-69502 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure SQL Database allows an unauthorized attacker to elevate privileges over a…
CVE-2026-65801 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges…
CVE-2026-48331 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) is affected by a Server-Side Request Forgery (SSRF) vulnerability that could result in…
CVE-2026-54735 — Critical (CVSS 10.0): Prebid Server is an open-source solution for running real-time advertising auctions in the cloud. Prior to version…
CVE-2026-57106 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Data Quality allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-15409 — Critical (CVSS 10.0): A Server-side request forgery (SSRF) vulnerability has been identified in the SMA1000 Appliance Work Place interface. A…

Browse all CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities →