How severe is CVE-2017-11291?

CVE-2017-11291 has a CVSS 3.x base score of 10.0, 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 none.

Is CVE-2017-11291 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11291?

CVE-2017-11291 affects Adobe Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11291?

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-2017-11291 published?

CVE-2017-11291 was published on 2017-12-09 and last updated on 2026-06-17.

CVE-2017-11291

CVE-2017-11291 is a critical-severity vulnerability in Adobe Connect with a CVSS 3.x base score of 10.0. 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: Critical (CVSS 3.x base score 10.0)
CVSS v2: 6.4
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Adobe Connect
Published: 2017-12-09
Last modified: 2026-06-17

Description

An issue was discovered in Adobe Connect 9.6.2 and earlier versions. A Server-Side Request Forgery (SSRF) vulnerability exists that could be abused to bypass network access controls.

Frequently asked questions

What is CVE-2017-11291?: An issue was discovered in Adobe Connect 9.6.2 and earlier versions. A Server-Side Request Forgery (SSRF) vulnerability exists that could be abused to bypass network access controls.
How severe is CVE-2017-11291?: CVE-2017-11291 has a CVSS 3.x base score of 10.0, 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 none.
Is CVE-2017-11291 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11291?: CVE-2017-11291 affects Adobe Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11291?: 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-2017-11291 published?: CVE-2017-11291 was published on 2017-12-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:adobe:connect:*:*:*:*:*:*:*:*

More vulnerabilities in Adobe Connect

CVE-2023-4662 — Critical (CVSS 9.8): Execution with Unnecessary Privileges vulnerability in Saphira Saphira Connect allows Remote Code Inclusion. This…
CVE-2023-4661 — Critical (CVSS 9.8): Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Saphira Saphira…
CVE-2021-40719 — Critical (CVSS 9.8): Adobe Connect version 11.2.3 (and earlier) is affected by a Deserialization of Untrusted Data vulnerability to achieve…
CVE-2018-12805 — Critical (CVSS 9.8): Adobe Connect versions 9.7.5 and earlier have an Insecure Library Loading vulnerability. Successful exploitation could…
CVE-2018-12804 — Critical (CVSS 9.8): Adobe Connect versions 9.7.5 and earlier have an Authentication Bypass vulnerability. Successful exploitation could…
CVE-2016-0949 — Critical (CVSS 9.8): Adobe Connect before 9.5.2 allows remote attackers to have an unspecified impact via a crafted parameter in a URL.

All CVEs affecting Adobe Connect →

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 →