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CVE-2020-15639

29
FAUCET Score

CVE-2020-15639 is a critical path traversal vulnerability affecting Marvell QConvergeConsole 5.5.0.64. This flaw, located in the decryptFile method of the FlashValidatorServiceImpl class, allows unauthenticated remote attackers to execute arbitrary code with SYSTEM privileges due to insufficient validation of user-supplied paths. With a CVSS score of 9.8, it represents a severe risk, requiring no user interaction or authentication for exploitation. Despite its high severity and potential for remote code execution, there is currently no public exploit code available, nor any evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.5.00.73CPE matchmatch criteria
cpe:2.3:a:marvell:qconvergeconsole:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
11.55%
Probability of exploitation in next 30 days
EPSS Percentile
95.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1155 is in the 91st percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marvell.com / content/dam/marvell/en/public-collateral/fibre-channel/marvell-fibre-channel-security-advisory-2020-07.pdf
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-20-967
Third Party AdvisoryVDB Entry