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CVE-2021-32698· NVD / CVE Program· CNA GitHub_M

Blind Server-Side Request Forgery (SSRF) in eLabFTW

eLabFTW is an open source electronic lab notebook for research labs. This vulnerability allows an attacker to make GET requests on behalf of the server. It is "blind" because the attacker cannot see the result of the request. Issue has been patched in eLabFTW 4.0.0.

MediumCVSS 4.9 · v3.1—No exploit No fix recorded
Published
Jun 21, 2021
Updated
Jun 16, 2026
EPSS
0.9% · 59th percentile
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Action score

19

Monitor

Low priority for now.

CVSS
19 / 40 · 4.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.9%

CNA vs NVD score

NVD
4.9
CNA · GitHub_M
6.8
1.9 point gap

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
elabftwelabftw

Affected versions

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

  • elabftw elabftwbefore 4.0.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (GitHub_M). Independent of NVD's CPE analysis and usually ahead of it.

  • elabftw elabftw

    • < 4.0.0affected

Same product

elabftw: all records

Other highest-scoring records for the same primary product.

  • CVE-2019-12185eLabFTW 1.8.5 is vulnerable to arbitrary file uploads via the /app/controllers/EntityController.php component.
    40Plan
  • CVE-2021-43834Incorrect Authentication in elabftw
    39Monitor
  • CVE-2022-31007Privilege escalation from administrator in eLabFTW
    36Monitor
  • CVE-2021-41171Bypass bruteforce protection on login form in elabftw
    36Monitor
  • CVE-2025-25206Incorrect input validation could allow an authenticated user to read sensitive information
    35Monitor
  • CVE-2024-25632Unauthorised granting of administrator privileges over arbitrary teams under certain circumstances
    35Monitor

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.

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.

—

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.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

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

Weakness class (CWE)

CWE-918 · Server-Side Request Forgery (SSRF)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

nvd-primary

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

—

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