CVE-2025-8517

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.68% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 49.6% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-08-04 16:02Z1 YR AGO

Last updated

2025-08-18 16:58Z1 YR AGO

Reserved

2025-08-04

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-384Session FixationCompound

Data version

5.1

Document digest

9c2458bc78a5fdfc814bbedf9936fc3dded0ecfb76416c1bc7da965a5a8cdc99

• vuldb.comVDB-318643 | givanz Vvveb session fixiationhttps://vuldb.com/?id.318643vdb-entrytechnical-description
• vuldb.comVDB-318643 | CTI Indicators (IOB, IOC)https://vuldb.com/?ctiid.318643signaturepermissions-required
• vuldb.comSubmit #623135 | Vvveb Vvveb CMS 1.0.6.1 Session Fixiationhttps://vuldb.com/?submit.623135third-party-advisory
• github.comhttps://github.com/givanz/Vvveb/issues/312issue-tracking
• github.comhttps://github.com/givanz/Vvveb/issues/312#issuecomment-2977995664issue-tracking
• github.comhttps://github.com/kwerty138/Session-Fixation-in-Vvveb-CMS-v1.0.6.1exploit
• github.comhttps://github.com/givanz/Vvveb/commit/d4b1e030066417b77d15b4ac505eed5ae7bf2c5epatch
• github.comhttps://github.com/givanz/Vvveb/releases/tag/1.0.7patch
• github.comhttps://github.com/helloandrewpaul/Session-Fixation-in-Vvveb-CMS-v1.0.6.1exploit