The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does…
Priority LOW 21CWE-310Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-5095.
Why it matters now
EPSS 0.01293 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:* | up to 0.14.0 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:* | 0.10.0 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:* | 0.10.1 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:* | 0.11.0 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:* | 0.11.1 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.12.0:*:*:*:*:*:*:* | 0.12.0 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.12.1:*:*:*:*:*:*:* | 0.12.1 | Vulnerable | polarssl |
| cpe:2.3:a:polarssl:polarssl:0.13.1:*:*:*:*:*:*:* | 0.13.1 | Vulnerable | polarssl |
- cpe:2.3:a:polarssl:polarssl:*:*:*:*:*:*:*:* Versions up to 0.14.0 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.10.0:*:*:*:*:*:*:* Versions 0.10.0 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.10.1:*:*:*:*:*:*:* Versions 0.10.1 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.11.0:*:*:*:*:*:*:* Versions 0.11.0 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.11.1:*:*:*:*:*:*:* Versions 0.11.1 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.12.0:*:*:*:*:*:*:* Versions 0.12.0 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.12.1:*:*:*:*:*:*:* Versions 0.12.1 Vulnerable ·polarssl
- cpe:2.3:a:polarssl:polarssl:0.13.1:*:*:*:*:*:*:* Versions 0.13.1 Vulnerable ·polarssl
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1923
- 2026-10-03 Alias added: GHSA-rwm6-hmj6-r6h5
References
More Polarssl vulnerabilities
- TI-2011-03940 PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. CVSS 3.1CRITICAL 9.8
- TI-2013-00104 The TLS protocol 1.1 and 1.2 and the DTLS protocol 1.0 and 1.2, as used in OpenSSL… CVSS 2.0LOW 2.6
- TI-2015-01069 The asn1_get_sequence_of function in library/asn1parse.c in PolarSSL 1.0 through 1.2.12… CVSS 2.0HIGH 7.5
- TI-2014-07923 Memory leak in PolarSSL before 1.3.9 allows remote attackers to cause a denial of service… CVSS 2.0HIGH 7.8
- TI-2014-07087 Memory leak in PolarSSL before 1.2.12 and 1.3.x before 1.3.9 allows remote attackers to… CVSS 2.0HIGH 7.8
- TI-2012-01903 A Security Bypass vulnerability exists in PolarSSL 0.99pre4 through 1.1.1 due to a weak… CVSS 3.1HIGH 7.4
Sources
- CVE-2011-1923 · CVE Program
- CVE-2011-1923 · NVD
- FIRST EPSS
- GHSA-rwm6-hmj6-r6h5 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1923 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences