How severe is CVE-2018-1999017?

CVE-2018-1999017 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1999017 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1999017?

CVE-2018-1999017 affects Pydio. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1999017?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1999017 published?

CVE-2018-1999017 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-1999017

CVE-2018-1999017 is a medium-severity vulnerability in Pydio with a CVSS 3.x base score of 4.9. 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: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Pydio
Published: 2018-07-23
Last modified: 2026-06-17

Description

Pydio version 8.2.0 and earlier contains a Server-Side Request Forgery (SSRF) vulnerability in plugins/action.updater/UpgradeManager.php Line: 154, getUpgradePath($url) that can result in an authenticated admin users requesting arbitrary URL's, pivoting requests through the server. This attack appears to be exploitable via the attacker gaining access to an administrative account, enters a URL into Upgrade Engine, and reloads the page or presses "Check Now". This vulnerability appears to have been fixed in 8.2.1.

Frequently asked questions

What is CVE-2018-1999017?: Pydio version 8.2.0 and earlier contains a Server-Side Request Forgery (SSRF) vulnerability in plugins/action.updater/UpgradeManager.php Line: 154, getUpgradePath($url) that can result in an authenticated admin users requesting arbitrary URL's, pivoting requests through the server. This attack appears to be exploitable via the attacker gaining access to an administrative account, enters a URL into Upgrade Engine, and reloads the page or presses "Check Now". This vulnerability appears to have been fixed in 8.2.1.
How severe is CVE-2018-1999017?: CVE-2018-1999017 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1999017 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1999017?: CVE-2018-1999017 affects Pydio. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1999017?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1999017 published?: CVE-2018-1999017 was published on 2018-07-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pydio:pydio:*:*:*:*:*:*:*:*

More vulnerabilities in Pydio

CVE-2013-4267 — Critical (CVSS 9.8): Ajaxeplorer before 5.0.1 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1)…
CVE-2019-9642 — Critical (CVSS 9.8): An issue was discovered in proxy.php in pydio-core in Pydio through 8.2.2. Through an unauthenticated request, it…
CVE-2018-20718 — Critical (CVSS 9.8): In Pydio before 8.2.2, an attack is possible via PHP Object Injection because a user is allowed to use the…
CVE-2015-3431 — Critical (CVSS 9.8): Pydio (formerly AjaXplorer) before 6.0.7 allows remote attackers to execute arbitrary commands via unspecified vectors,…
CVE-2019-20453 — High (CVSS 8.8): A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. A PHP object injection is present in…
CVE-2019-20452 — High (CVSS 8.8): A problem was found in Pydio Core before 8.2.4 and Pydio Enterprise before 8.2.4. A PHP object injection is present in…

All CVEs affecting Pydio →

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

CVE-2026-47938 — Critical (CVSS 10.0): Adobe Campaign Classic (ACC) versions 7.4.3 build 9394 and earlier are affected by a Server-Side Request Forgery (SSRF)…
CVE-2026-35431 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Entra ID Entitlement Management allows an unauthorized attacker to…
CVE-2026-32186 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges over a…
CVE-2026-33107 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Databricks allows an unauthorized attacker to elevate privileges over a…
CVE-2026-32871 — Critical (CVSS 10.0): FastMCP is a Pythonic way to build MCP servers and clients. Prior to version 3.2.0, the OpenAPIProvider in FastMCP…
CVE-2026-32169 — Critical (CVSS 10.0): Server-side request forgery (ssrf) in Azure Cloud Shell allows an unauthorized attacker to elevate privileges over a…

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