Multiple format string vulnerabilities in the configuration file in SonicWALL GLobal VPN Client 3.1.556 and 4.0.0.810 allow user-assisted re
Noroxi assessment
Priority: Monitor (action score 39/100)
- Public proof-of-concept code exists (Exploit-DB); there is no record of exploitation in the wild.
- Probability of exploitation in the next 30 days: 6.1% (FIRST EPSS); higher than 93.4% of all records.
- 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
Multiple format string vulnerabilities in the configuration file in SonicWALL GLobal VPN Client 3.1.556 and 4.0.0.810 allow user-assisted remote attackers to execute arbitrary code via format string specifiers in the (1) Hostname tag or the (2) name attribute in the Connection tag. NOTE: there might not be any realistic circumstances in which this issue crosses privilege boundaries.
- Published
- Dec 7, 2007
- Updated
- Jun 16, 2026
- EPSS
- 6.1% · 93th percentile
- CWE
- CWE-134
Report tools
Action score
39
Monitor
Low priority for now.
- CVSS
- 37 / 40 · 9.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 6.1%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- Proof of concept exists, no weaponized module
- 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.
We use this product, ask for helpAffected 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 | global vpn client | cpe:2.3:a:sonicwall:global_vpn_client |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- sonicwall global vpn client3.1.556
- sonicwall global vpn client4.0.0.810
Same product
sonicwall: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-5145SonicWall Global VPN client version 4.10.4.0314 and earlier have an insecure library loading (DLL hijacking) vulnerability.34Monitor
- CVE-2021-20051SonicWall Global VPN Client 4.10.7.1117 installer (32-bit and 64-bit) and earlier versions have a DLL Search Order Hijacking vulnerability i31Monitor
- CVE-2021-20047SonicWall Global VPN client version 4.10.6 (32-bit and 64-bit) and earlier have a DLL Search Order Hijacking vulnerability.31Monitor
- CVE-2021-20037SonicWall Global VPN Client 4.10.5 installer (32-bit and 64-bit) incorrect default file permission vulnerability leads to privilege escalati31Monitor
- CVE-2020-5144SonicWall Global VPN client version 4.10.4.0314 and earlier allows unprivileged windows user to elevate privileges to SYSTEM through loaded 31Monitor
- CVE-2026-66151SonicWall Global VPN Client version 4.10.8.1108 and earlier is vulnerable to an out-of-bounds kernel memory read in the SWIPsec.sys driver, 22Monitor
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
- Exploit-DB entry ×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 |
|---|---|---|
| Exploit-DB entry | dos | 2007-12-04 |
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.
- First PoC-3 d
- Published
- TodayOct 16, 2026+6888 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.
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
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- M
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-134 · Use of Externally-Controlled Format StringCVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
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.
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
Show all references (2 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.