NVD / CVE Program· CNA SolarWinds

CVE-2021-32076: Access Restriction bypass vulnerability via referrer spoof - Business Logic Bypass

Noroxi assessment

Priority: Monitor (action score 21/100)

The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
Probability of exploitation in the next 30 days: 1.1% (FIRST EPSS); higher than 67.2% of all records.
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.
According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

Access Restriction Bypass via referrer spoof was discovered in SolarWinds Web Help Desk 12.7.2. An attacker can access the 'Web Help Desk Getting Started Wizard', especially the admin account creation page, from a non-privileged IP address network range or loopback address by intercepting the HTTP request and changing the referrer from the public IP address to the loopback.

MediumCVSS 5.3 · v3.1—No exploit No fix recorded

Published: Aug 26, 2021
Updated: Jun 16, 2026
EPSS: 1.1% · 67th percentile
CWE: CWE-290

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 21 / 40 · 5.3 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 1.1%

CNA vs NVD score

NVD: 5.3
CNA · SolarWinds: 5.3; agree

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

Get told when this record changes

Not in KEV: no record of exploitation in the wild
No public exploit code on record
No fixed version yet

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

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Vendor	Product	CPE
solarwinds	web help desk	cpe:2.3:a:solarwinds:web_help_desk

Affected versions

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

solarwinds web help deskup to 12.7.2 inclusive

Versions reported by the vendor

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

SolarWinds Web Help Desk
- unspecified and later · up to and including 12.7.5affected

Same product

solarwinds: all records

Other highest-scoring records for the same primary product.

CVE-2025-26399SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation VulnerabilityKEV
96Now
CVE-2025-40551SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution VulnerabilityKEV
94Now
CVE-2024-28987SolarWinds Web Help Desk Hardcoded Credential VulnerabilityKEV
94Now

Published before and after this one in the same product

← EarlierCVE-2019-16954Jan 6, 2021 · SolarWinds Web Help Desk 12.7.0 allows HTML injection via a Comment in a Help Request ticket.
21Monitor
← EarlierCVE-2019-16961Jan 15, 2021 · SolarWinds Web Help Desk 12.7.0 allows XSS via a Schedule Name.
21Monitor
Later →CVE-2021-35243Dec 23, 2021 · HTTP PUT & DELETE Methods Enabled
30Monitor

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.

Moaaz Taha

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.

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Bug bounty scope