CVE-2018-16463
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could...
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
- Record
CVE-2018-16463- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 3.6 Low
AV:N/AC:H/Au:S/C:P/I:P/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
CVE List No score
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
- Record
CVE-2018-16463- Weakness
- CWE-384
- Updated
- 2026-11-02
EUVDEUVD-2018-8299 No score
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
- Record
EUVD-2018-8299- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-67vq-qwwf-fc2h
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could...
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
- Record
GHSA-67vq-qwwf-fc2h- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-384
- Updated
- 2026-11-02
OSV
A bug causing session fixation in Nextcloud Server prior to 14.0.0, 13.0.3 and 12.0.8 could potentially allow an attacker to obtain access to password protected shares.
- Record
CVE-2018-16463- CVSS 3.0
- 3.1 Low
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-16463 is a low vulnerability (CVSS 3.1) in Hackerone Nextcloud Server, published October 30, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.55%, the 45th percentile. No source names a fixed version.