CVE-2021-42761
A condition for session fixation vulnerability [CWE-384] in the session management of FortiWeb versions 6.4 all versions, 6.3.0 through 6.3.16, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 through
02 Description
A condition for session fixation vulnerability [CWE-384] in the session management of FortiWeb versions 6.4 all versions, 6.3.0 through 6.3.16, 6.2.0 through 6.2.6, 6.1.0 through 6.1.2, 6.0.0 through
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 1.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 73.4% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. 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.
04 Metadata
- Published
- 2023-02-16 18:05Z3 YR AGO
- Last updated
- 2024-10-23 14:50Z2 YR AGO
- Reserved
- 2021-10-20
- Assigning CNA
- fortinet
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:U/RC:C
- Weaknesses
- CWE-384Session FixationCompound
- Data version
- 5.1
- Document digest
- 8b8f630dbd0b2e956e1ebf63b752b4dcc216e7dece09fe3158e65ae64677b296
05 Affected products
06 References
- fortiguard.comhttps://fortiguard.com/psirt/FG-IR-21-214
07 Remediation
Please upgrade to FortiWeb version 7.0.0 or above Please upgrade to FortiWeb version 6.3.17 or above Please upgrade to FortiWeb version 6.2.7 or above Please upgrade to FortiWeb version 6.1.3 or above Please upgrade to FortiWeb version 6.0.8 or above Please upgrade to FortiWeb version 5.9.2 or above