H3C ER6300G2 Config File userLogin.asp path traversal
A vulnerability classified as problematic was found in H3C GR-1100-P, GR-1108-P, GR-1200W, GR-1800AX, GR-2200, GR-3200, GR-5200, GR-8300, ER2100n, ER2200G2, ER3200G2, ER3260G2, ER5100G2, ER5200G2 and ER6300G2 up to 20230908. This vulnerability affects unknown code of the file /userLogin.asp of the component Config File Handler. The manipulation leads to path traversal. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. VDB-240238 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
- Published
- Sep 24, 2023
- Updated
- Jun 17, 2026
- EPSS
- 2.7% · 85th percentile
- CWE
- CWE-22
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Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 21 / 40 · 5.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.7%
CNA vs NVD score
- NVD
- 5.3
- CNA · VulDB
- 3.7
- 1.6 point gap
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| h3c | gr-1100-p firmware | cpe:2.3:o:h3c:gr-1100-p_firmware |
| h3c | gr-1100-p | cpe:2.3:h:h3c:gr-1100-p |
| h3c | gr-1108-p firmware | cpe:2.3:o:h3c:gr-1108-p_firmware |
| h3c | gr-1108-p | cpe:2.3:h:h3c:gr-1108-p |
| h3c | gr-1200w firmware | cpe:2.3:o:h3c:gr-1200w_firmware |
| h3c | gr-1200w | cpe:2.3:h:h3c:gr-1200w |
| h3c | gr-1800ax firmware | cpe:2.3:o:h3c:gr-1800ax_firmware |
| h3c | gr-1800ax | cpe:2.3:h:h3c:gr-1800ax |
| h3c | gr-2200 firmware | cpe:2.3:o:h3c:gr-2200_firmware |
| h3c | gr-2200 | cpe:2.3:h:h3c:gr-2200 |
| h3c | gr-3200 firmware | cpe:2.3:o:h3c:gr-3200_firmware |
| h3c | gr-3200 | cpe:2.3:h:h3c:gr-3200 |
and 18 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- h3c er2100n firmwareup to 20230908 inclusive
- h3c er2200g2 firmwareup to 20230908 inclusive
- h3c er3200g2 firmwareup to 20230908 inclusive
- h3c er3260g2 firmwareup to 20230908 inclusive
- h3c er5100g2 firmwareup to 20230908 inclusive
- h3c er5200g2 firmwareup to 20230908 inclusive
- h3c er6300g2 firmwareup to 20230908 inclusive
- h3c gr-1100-p firmwareup to 20230908 inclusive
- h3c gr-1108-p firmwareup to 20230908 inclusive
- h3c gr-1200w firmwareup to 20230908 inclusive
- h3c gr-1800ax firmwareup to 20230908 inclusive
- h3c gr-2200 firmwareup to 20230908 inclusive
- h3c gr-3200 firmwareup to 20230908 inclusive
- h3c gr-5200 firmwareup to 20230908 inclusive
- h3c gr-8300 firmwareup to 20230908 inclusive
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
H3C ER2100n
- 20230908affected
H3C ER2200G2
- 20230908affected
H3C ER3200G2
- 20230908affected
H3C ER3260G2
- 20230908affected
H3C ER5100G2
- 20230908affected
H3C ER5200G2
- 20230908affected
H3C ER6300G2
- 20230908affected
H3C GR-1100-P
- 20230908affected
H3C GR-1108-P
- 20230908affected
H3C GR-1200W
- 20230908affected
H3C GR-1800AX
- 20230908affected
H3C GR-2200
- 20230908affected
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Proof-of-concept repository on GitHub ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:0 | 2023-10-19 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+24 d
- TodaySep 30, 2026+1102 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- yinsel975 (VulDB User)reporter
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- Low
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvd-primary
Root cause
A user-supplied file name is joined with the allowed directory, but the result is never checked to confirm it is still inside that directory.
The bug in code
The whole CWE-22 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const file = path.join(ROOT, req.query.name);res.sendFile(file);Fixed
const file = path.resolve(ROOT, req.query.name);if (!file.startsWith(ROOT + path.sep)) { return res.sendStatus(400);}res.sendFile(file);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Path TraversalCAPEC-126likelihood: High · Very High
- Using Slashes and URL Encoding Combined to Bypass Validation LogicCAPEC-64likelihood: High · High
- Manipulating Web Input to File System CallsCAPEC-76likelihood: High · Very High
- Using Escaped Slashes in Alternate EncodingCAPEC-78likelihood: High · High
- Using Slashes in Alternate EncodingCAPEC-79likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.