What is the CVSS score of CVE-2021-30635?

CVE-2021-30635 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. EPSS exploitation probability: 1.8%.

Is there a patch available for CVE-2021-30635?

Yes, a patch is available for CVE-2021-30635. Update the affected software to the latest version immediately.

Nexus Repository Manager CVE-2021-30635

MEDIUM

Path Traversal (CWE-22)

2021-04-27 cve@mitre.org

Path Traversal Nexus Repository Manager Sonatype

5.3

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-22 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V5 - File Handling Path canonicalization, traversal prevention MITRE ATT&CK 2 techniques across 2 tactics: Discovery, Collection 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 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 1.8% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

Sonatype Nexus Repository Manager 3.x before 3.30.1 allows a remote attacker to get a list of files and directories that exist in a UI-related folder via directory traversal (no customer-specific. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Path Traversal vulnerability could allow attackers to access files and directories outside the intended path.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

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 Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Sonatype Nexus Repository Manager 3.x before 3.30.1 allows a remote attacker to get a list of files and directories that exist in a UI-related folder via directory traversal (no customer-specific data is exposed). Affected products include: Sonatype Nexus Repository Manager. Version information: before 3.30.1.

Know when Nexus Repository Manager gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.3 MEDIUM

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

Low

Integrity

None

Availability

None

DescriptionNVD

Threat Intelligence Overview

EPSS Score

1.8%

Top 23% 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 MEDIUM

CISA KEV No

Public POC No

EPSS 1.8%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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: +2

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Path Traversal HIGH

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)NVD

cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*

More in Nexus Repository Manager

View all

CVE-2019-7238 CRITICAL Act Now POC

9.8 Mar 21

Sonatype Nexus Repository Manager before 3.15.0 has Incorrect Access Control. Rated critical severity (CVSS 9.8), this v

CVE-2019-5475 HIGH This Week POC

8.8 Sep 03

The Nexus Yum Repository Plugin in v2 is vulnerable to Remote Code Execution when instances using CommandLineExecutor.ja

CVE-2018-16621 HIGH This Week POC

7.2 Nov 15

Sonatype Nexus Repository Manager before 3.14 allows Java Expression Language Injection. Rated high severity (CVSS 7.2),

CVE-2018-5307 MEDIUM This Month POC

6.1 Feb 09

Multiple cross-site scripting (XSS) vulnerabilities in Sonatype Nexus Repository Manager (aka NXRM) 2.x before 2.14.6 al

CVE-2018-5306 MEDIUM This Month POC

6.1 Feb 09

Multiple cross-site scripting (XSS) vulnerabilities in Sonatype Nexus Repository Manager (aka NXRM) 3.x before 3.8 allow

CVE-2017-17717 CRITICAL Act Now

9.8 Dec 17

Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP

CVE-2019-9629 CRITICAL Act Now

9.8 Jul 08

Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed crede

CVE-2026-3199 CRITICAL Act Now

9.4 Apr 08

Remote code execution in Sonatype Nexus Repository 3.22.1-3.90.2 allows authenticated attackers with task creation permi

CVE-2026-11403 HIGH This Week

8.7 Jul 14

Improper API key generation in Sonatype Nexus Repository Manager lets a remote attacker impersonate a targeted user and

CVE-2026-3329 HIGH This Week

8.7 Jun 11

Credential-guessing attacks against Sonatype Nexus Repository Manager are enabled by missing rate-limiting on authentica

CVE-2020-15012 HIGH This Week

8.6 Oct 12

A Directory Traversal issue was discovered in Sonatype Nexus Repository Manager 2.x before 2.14.19. Rated high severity

CVE-2020-15868 HIGH This Week

7.5 Aug 12

Sonatype Nexus Repository Manager OSS/Pro before 3.26.0 has Incorrect Access Control. Rated high severity (CVSS 7.5), th

Same weakness CWE-22 – Path Traversal

View all

CVE-2019-3396 CRITICAL POC

9.8

CVE-2019-19781 CRITICAL POC

9.8

CVE-2020-5902 CRITICAL POC

9.8

CVE-2021-21972 CRITICAL POC

9.8

CVE-2021-40444 HIGH POC

8.8

CVE-2022-41352 CRITICAL POC

9.8

CVE-2021-27065 HIGH POC

7.8

CVE-2019-11510 CRITICAL POC

10.0

Same technique Path Traversal

View all

CVE-2018-20250 HIGH POC

7.8

CVE-2022-37042 CRITICAL POC

9.8

CVE-2025-64446 CRITICAL POC

9.8

References

Advisories & patches

PATCH https://support.sonatype.com/hc/en-us/articles/1500006879561

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back