How severe is CVE-2017-4917?

CVE-2017-4917 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-2017-4917 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-4917?

CVE-2017-4917 primarily affects Vmware Vsphere Data Protection. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-4917?

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-2017-4917 published?

CVE-2017-4917 was published on 2017-06-07 and last updated on 2026-06-17.

CVE-2017-4917

CVE-2017-4917 is a critical-severity vulnerability in Vmware Vsphere Data Protection 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-327.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Vmware Vsphere Data Protection
Published: 2017-06-07
Last modified: 2026-06-17

Description

VMware vSphere Data Protection (VDP) 6.1.x, 6.0.x, 5.8.x, and 5.5.x locally stores vCenter Server credentials using reversible encryption. This issue may allow plaintext credentials to be obtained.

Frequently asked questions

What is CVE-2017-4917?: VMware vSphere Data Protection (VDP) 6.1.x, 6.0.x, 5.8.x, and 5.5.x locally stores vCenter Server credentials using reversible encryption. This issue may allow plaintext credentials to be obtained.
How severe is CVE-2017-4917?: CVE-2017-4917 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-2017-4917 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-4917?: CVE-2017-4917 primarily affects Vmware Vsphere Data Protection. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-4917?: 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-2017-4917 published?: CVE-2017-4917 was published on 2017-06-07 and last updated on 2026-06-17.

References

Affected products (21)

cpe:2.3:a:vmware:vsphere_data_protection:5.5.5:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.6:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.7:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.8:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.9:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.10:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.5.11:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.8.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.8.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.8.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.8.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:5.8.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.0:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.1:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.2:*:*:*:*:*:*:*
cpe:2.3:a:vmware:vsphere_data_protection:6.1.3:*:*:*:*:*:*:*

More vulnerabilities in Vmware Vsphere Data Protection

CVE-2018-11066 — Critical (CVSS 9.8): Dell EMC Avamar Client Manager in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0,…
CVE-2017-4914 — Critical (CVSS 9.8): VMware vSphere Data Protection (VDP) 6.1.x, 6.0.x, 5.8.x, and 5.5.x contains a deserialization issue. Exploitation of…
CVE-2016-7456 — Critical (CVSS 9.8): VMware vSphere Data Protection (VDP) 5.5.x though 6.1.x has an SSH private key with a publicly known password, which…
CVE-2018-11077 — Medium (CVSS 6.7): 'getlogs' utility in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0, 7.5.1 and 18.1…
CVE-2018-11076 — Medium (CVSS 6.5): Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0 and 7.4.1 and Dell EMC Integrated Data Protection…
CVE-2018-11067 — Medium (CVSS 6.1): Dell EMC Avamar Client Manager in Dell EMC Avamar Server versions 7.2.0, 7.2.1, 7.3.0, 7.3.1, 7.4.0, 7.4.1, 7.5.0,…

All CVEs affecting Vmware Vsphere Data Protection →

Other CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities

CVE-2026-50086 — Critical (CVSS 10.0): The Aqara IAM/SSO gateway (gw-builder.aqara.com) exposes bidirectional AES round-trups against the platform's signing…
CVE-2026-21718 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in Copeland XWEB Pro version 1.12.1 and prior, enabling any attackers to…
CVE-2025-54426 — Critical (CVSS 9.9): Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. In versions prior to commit…
CVE-2024-51478 — Critical (CVSS 9.9): YesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded…
CVE-2026-28252 — Critical (CVSS 9.8): A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge…
CVE-2025-13476 — Critical (CVSS 9.8): Rakuten Viber Cloak mode in Android v25.7.2.0g and Windows v25.6.0.0–v25.8.1.0 uses a static and predictable TLS…

Browse all CWE-327 (Use of a Broken or Risky Cryptographic Algorithm) vulnerabilities →