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CVE-2025-70028· NVD / CVE Program· CNA mitre

An issue pertaining to CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') was discovered in Sunbird-Ed S

An issue pertaining to CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') was discovered in Sunbird-Ed SunbirdEd-portal v1.13.4.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Mar 9, 2026
Updated
Jun 17, 2026
EPSS
0.4% · 33th percentile
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Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Affected systems

VendorProduct
sunbirdsunbirded-portal

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sunbird sunbirded-portal1.13.4

Same product

sunbird: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-70031An issue pertaining to CWE-352: Cross-Site Request Forgery was discovered in Sunbird-Ed SunbirdEd-portal v1.13.4.
    35Monitor
  • CVE-2025-70027An issue pertaining to CWE-918: Server-Side Request Forgery was discovered in Sunbird-Ed SunbirdEd-portal v1.13.4.
    30Monitor
  • CVE-2025-70030An issue pertaining to CWE-1333: Inefficient Regular Expression Complexity (4.19) was discovered in Sunbird-Ed SunbirdEd-portal v1.13.4.
    30Monitor
  • CVE-2025-70029An issue in Sunbird-Ed SunbirdEd-portal v1.13.4 allows attackers to obtain sensitive information.
    30Monitor
  • CVE-2025-70032An issue pertaining to CWE-601: URL Redirection to Untrusted Site was discovered in Sunbird-Ed SunbirdEd-portal v1.13.4.
    24Monitor
  • CVE-2025-70033An issue pertaining to CWE-79: Improper Neutralization of Input During Web Page Generation was discovered in Sunbird-Ed SunbirdEd-portal v1.
    21Monitor

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

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

EPSS, last 120 days

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 researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

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
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

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:N/I:N/A:H

nvd-secondary

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 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const file = path.join(ROOT, req.query.name);res.sendFile(file);

Fixed

ts
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.

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 help

Change 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.

All records