What is the CVSS score of CVE-2023-49947?

CVE-2023-49947 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.6%.

Is there a patch available for CVE-2023-49947?

Yes, a patch is available for CVE-2023-49947. Update the affected software to the latest version immediately.

Forgejo CVE-2023-49947

HIGH

Incorrect Authorization (CWE-863)

2023-12-03 cve@mitre.org

Authentication Bypass Docker Forgejo

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-863 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Authorization logic validation MITRE ATT&CK 1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could bypass authorization checks to access restricted resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.6% exploitation probability (EPSS)

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AnalysisAI

Forgejo before 1.20.5-1 allows 2FA bypass when docker login uses Basic Authentication. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Incorrect Authorization vulnerability could allow attackers to bypass authorization checks to access restricted resources.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Review and test authorization logic, implement consistent access control checks, use centralized authorization framework.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Incorrect Authorization (CWE-863), which allows attackers to bypass authorization checks to access restricted resources. Forgejo before 1.20.5-1 allows 2FA bypass when docker login uses Basic Authentication. Affected products include: Forgejo. Version information: before 1.20.5.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

DescriptionNVD

Forgejo before 1.20.5-1 allows 2FA bypass when docker login uses Basic Authentication.

Threat Intelligence Overview

EPSS Score

0.6%

Top 55% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.6%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:forgejo:forgejo:*:*:*:*:*:*:*:*

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Forgejo before 13.0.2 (and the 11 LTS line before 11.0.7) mishandles out-of-repository symlink destinations when generat

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In Forgejo before 1.20.5-1, certain endpoints do not check whether an object belongs to a repository for which permissio

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CVE-2023-49948 MEDIUM This Month

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Forgejo before 1.20.5-1 allows remote attackers to test for the existence of private user accounts by appending .rss (or

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Identity spoofing in Forgejo's ActivityPub federation allows a remote attacker who controls any single valid ActivityPub

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Restricted API token authorization bypass in Forgejo before 16.0.4 (and before 15.0.8 on the 15.x branch) allows authent

Same weakness CWE-863 – Incorrect Authorization

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CVE-2026-71362 CRITICAL POC

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CVE-2026-42016 HIGH POC

8.8

CVE-2023-21715 HIGH

7.3

CVE-2025-21480 HIGH

8.6

CVE-2025-21479 HIGH

8.6

CVE-2025-32462 HIGH POC

8.8

Same technique Authentication Bypass

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CVE-2015-3306 CRITICAL POC

10.0

CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

9.8

CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

9.8

CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

PATCH https://codeberg.org/forgejo/forgejo/commit/44df78edd40076b349d50dc5fb02af417a44cfab ADVISORY https://forgejo.org/2023-11-release-v1-20-5-1/

Search Externally

GitHub PoC

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