StormShield vulnerabilities
We track 16 vulnerabilities in StormShield products across 2 products. 16 are rated high or critical, and none are known to be exploited. The most recent was published on October 20, 2026.
Latest StormShield vulnerabilities
- 7.0 High severity
Stormshield Network Security: Improper Neutralization of Input During Web Page Generation
A Stored Cross-Site Scripting vulnerability exists in the SNS enrollment Portal. Through the captive portal an attacker can inject an XSS when requesting certificate creation for user. The stored XSS can only be triggered during validation by the administrator
- 7.1 High severity
Stormshield Network Security: Improper Neutralization of Input During Web Page Generation
A Stored Cross-Site Scripting vulnerability exists in the SNS enrollment Portal. Through the captive portal an attacker can inject an XSS when requesting user creation. The stored XSS can only be triggered during validation by the administrator.
- 7.5 High severity
Stormshield Network Security: Improper Authentication
A failure has been identified in the SNS during dynamic data files signature check. A logic error in the signature verification routine resulting in acceptance of unauthenticated dynamic data update during Autoupdate routine.
- 7.8 High severity
Stormshield Network Security: Improper Authentication
A logic error exists in the signature verification routine resulting in acceptance of unauthenticated update and license files.It is necessary to use only the MyStormshield servers to retrieve update files or licenses, or to use automatic verification via SNS.
- 7.5 High severity
Stormshield Network Security: Improper Access Control
An issue was discovered in Stormshield Network Security (SNS) before 5.0.1. TPM authentication information could, in some HA use cases, be shared among administrators, which can cause secret sharing.
- 7.5 High severity
Stormshield Network Security: Cleartext Transmission of Sensitive Information
An issue was discovered in Stormshield Network Security (SNS) before 4.3.17, 4.4.x through 4.6.x before 4.6.4, and 4.7.x before 4.7.1. It affects user accounts for which the password has an equals sign or space character. The serverd process logs such password
- 7.5 High severity
Stormshield Network Security: Buffer Copy without Checking Size of Input
An issue was discovered in Stormshield Network Security (SNS) SNS 4.3.13 through 4.3.22 before 4.3.23, SNS 4.6.0 through 4.6.9 before 4.6.10, and SNS 4.7.0 through 4.7.1 before 4.7.2. An attacker can overflow the cookie threshold, making an IPsec connection im
- 9.8 Critical severity
Cisco Secure Web Appliance: Out-of-bounds Write
On Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition file parser of ClamAV versions 1.0.0 and earlier, 0.105.1 and earlier, and 0.103.7 and earlier could allow an unauthenticated, remo
- 7.5 High severity
OpenSSL: NULL Pointer Dereference
A NULL pointer can be dereferenced when signatures are being verified on PKCS7 signed or signedAndEnveloped data. In case the hash algorithm used for the signature is known to the OpenSSL library but the implementation of the hash algorithm is not available th
- 7.4 High severity
OpenSSL: Access of Resource Using Incompatible Type
There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName. X.400 addresses were parsed as an ASN1_STRING but the public structure definition for GENERAL_NAME incorrectly specified the type of the x400Address field
- 7.5 High severity
OpenSSL: NULL Pointer Dereference
An invalid pointer dereference on read can be triggered when an application tries to load malformed PKCS7 data with the d2i_PKCS7(), d2i_PKCS7_bio() or d2i_PKCS7_fp() functions. The result of the dereference is an application crash which could lead to a denial
- 7.5 High severity
OpenSSL: Use After Free
The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO. It is primarily used internally to OpenSSL to support the SMIME, CMS and PKCS7 streaming capabilities, but may also be called directly by end user applications.
- 7.5 High severity
OpenSSL: Double Free
The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g. "CERTIFICATE"), any header data and the payload data. If the function succeeds then the "name_out", "header" and "data" arguments are populated with pointers to
- 7.5 High severity
Strongswan: Uncontrolled Resource Consumption
strongSwan before 5.9.8 allows remote attackers to cause a denial of service in the revocation plugin by sending a crafted end-entity (and intermediate CA) certificate that contains a CRL/OCSP URL that points to a server (under the attacker's control) that doe
- 9.8 Critical severity
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP: Out-of-bounds Write
zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code
- 7.5 High severity
Stormshield Network Security: NULL Pointer Dereference
An issue was discovered in Stormshield Network Security (SNS) 4.3.x before 4.3.8. The event logging of the ASQ sofbus lacbus plugin triggers the dereferencing of a NULL pointer, leading to a crash of SNS. An attacker could exploit this vulnerability via forged