HOMEVULNERABILITIESCVE-2020-15248
MEDIUM

CVE-2020-15248

CWE-863Published: November 23, 2020· Updated: Jun 17, 2026

4.2
CVSS v3.1

Official Description

October is a free, open-source, self-hosted CMS platform based on the Laravel PHP Framework. In October CMS from version 1.0.319 and before version 1.0.470, backend users with the default "Publisher" system role have access to create & manage users where they can choose which role the new user has. This means that a user with "Publisher" access has the ability to escalate their access to "Developer" access. Issue has been patched in Build 470 (v1.0.470) & v1.1.1.

NVD Source

Technical Analysis

CVE-2020-15248 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

octobercms1 product(s)
october
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829
PATCHhttps://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829
ADVISORYhttps://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvw
ADVISORYhttps://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvw

All References (4)

→
https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829Patch · Third Party Advisory
→
https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvwThird Party Advisory
→
https://github.com/octobercms/october/commit/78a37298a4ed4602b383522344a31e311402d829Patch · Third Party Advisory
→
https://github.com/octobercms/october/security/advisories/GHSA-rfjc-xrmf-5vvwThird Party Advisory

Quick Facts

CVE IDCVE-2020-15248
CVSS Score4.2 / 10
SeverityMEDIUM
WeaknessCWE-863
CISA KEVNo
Affected1 vendor(s)
PublishedNov 23, 2020

Related CVEs (CWE-863)

CVE-2018-18815
10.0
CVE-2023-4617
10.0
CVE-2026-48286
10.0
CVE-2026-48321
10.0
CVE-2026-44330
10.0
CVE-2026-48303
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-15248 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2020-15248·NVD