NVD / CVE Program· CNA sonicwall

CVE-2023-44221: Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administr

Noroxi assessment

Priority: Now (action score 81/100)

CISA has confirmed exploitation in the wild (May 1, 2025). Remediation deadline for US federal agencies: May 22, 2025.
Probability of exploitation in the next 30 days: 76.2% (FIRST EPSS); higher than 99.5% of all records.
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.
According to the record, no fixed version is available yet.
Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Patch today or shut off access. Until a fix is released, restrict access to the affected component and 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 · CISA KEV · FIRST EPSS

Improper neutralization of special elements in the SMA100 SSL-VPN management interface allows a remote authenticated attacker with administrative privilege to inject arbitrary commands as a 'nobody' user, potentially leading to OS Command Injection Vulnerability.

HighCVSS 7.2 · v3.1KEVWeaponized No fix recorded

BDU:2024-03429

Published: Dec 5, 2023
Updated: Jun 17, 2026
EPSS: 76.2% · 99th percentile
CWE: CWE-78

Report tools

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Action score

Now

Patch today or shut off access.

CVSS: 28 / 40 · 7.2 / 10
CISA KEV: 30 / 30 · Listed
EPSS: 23 / 30 · 76.2%

CISA SSVC decision

Exploitation: active
Automatable: no
Technical impact: total

Vulnrichment: CISA's decision-tree inputs.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on May 1, 2025. That signals real attacks, not theory.

Remediation deadline for US federal agencies: May 22, 2025.

Get told when this record changes

In CISA KEV: exploitation in the wild confirmed
Weaponized exploit exists
No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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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?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

Vendor	Product	CPE
sonicwall	sma 200 firmware	cpe:2.3:o:sonicwall:sma_200_firmware
sonicwall	sma 200	cpe:2.3:h:sonicwall:sma_200
sonicwall	sma 210 firmware	cpe:2.3:o:sonicwall:sma_210_firmware
sonicwall	sma 210	cpe:2.3:h:sonicwall:sma_210
sonicwall	sma 400 firmware	cpe:2.3:o:sonicwall:sma_400_firmware
sonicwall	sma 400	cpe:2.3:h:sonicwall:sma_400
sonicwall	sma 410 firmware	cpe:2.3:o:sonicwall:sma_410_firmware
sonicwall	sma 410	cpe:2.3:h:sonicwall:sma_410
sonicwall	sma 500v firmware	cpe:2.3:o:sonicwall:sma_500v_firmware
sonicwall	sma 500v	cpe:2.3:h:sonicwall:sma_500v

Using sma 200 firmware? Add it to your stack and be the first to know about CVEs like this one. (VPN gateway)

Affected versions

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

sonicwall sma 200 firmwareup to 10.2.1.9-57sv inclusive
sonicwall sma 210 firmwareup to 10.2.1.9-57sv inclusive
sonicwall sma 400 firmwareup to 10.2.1.9-57sv inclusive
sonicwall sma 410 firmwareup to 10.2.1.9-57sv inclusive
sonicwall sma 500v firmwareup to 10.2.1.9-57sv inclusive

Versions reported by the vendor

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

SonicWall SMA100
- 10.2.1.9-57sv and earlier versionsaffected

Same product

sonicwall: all records

Other highest-scoring records for the same primary product.

CVE-2021-20038A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticKEV
99Now
CVE-2021-20034An improper access control vulnerability in SMA100 allows a remote unauthenticated attacker to bypass the path traversal checks and delete a
61This week
CVE-2021-20039Improper neutralization of special elements in the SMA100 management interface '/cgi-bin/viewcert' POST http method allows a remote authenti
59Plan

Published before and after this one in the same product

← EarlierCVE-2022-22273Mar 16, 2022 · Improper neutralization of Special Elements leading to OS Command Injection vulnerability impacting end-of-life Secure Remote Access (SRA) p
40Plan
← EarlierCVE-2022-2915Aug 26, 2022 · A Heap-based Buffer Overflow vulnerability in the SonicWall SMA100 appliance allows a remote authenticated attacker to cause Denial of Servi
37Monitor
Later →CVE-2023-5970Dec 5, 2023 · Improper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external d
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

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

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.

PublishedDec 5, 2023
CISA KEVMay 1, 2025+512 d
TodayNov 10, 2026+1071 d

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.

—

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

CVE-2023-59700 days apartImproper authentication in the SMA100 SSL-VPN virtual office portal allows a remote authenticated attacker to create an identical external d
35Monitor
CVE-2024-2239580 days apartImproper access control vulnerability has been identified in the SMA100 SSL-VPN virtual office portal, which in specific conditions could po
25Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

TR-23-0681 · Dec 6, 2023(SonicWall Güvenlik Bildirimi)

All national notices →

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: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: Low
Privileges required: High
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

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

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

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

Vulnerable

1const host = req.body.host;
2exec("ping -c 1 " + host, onResult);

Fixed

1const host = req.body.host;
2if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);
3execFile("ping", ["-c", "1", host], onResult);

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)

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0018

Show all references (1 more)

www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-44221

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records