{"id":"CVE-2011-1923","aliases":["EUVD-2011-1921","GHSA-rwm6-hmj6-r6h5"],"status":"published","title":"The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not...","description":"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.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01293,"percentile":0.70478,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-310"],"published":"2012-06-20T17:00:00Z","modified":"2026-06-16T23:30:22Z","products":[{"vendor":"polarssl","product":"polarssl"}],"references":[{"url":"http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://polarssl.org/trac/wiki/SecurityAdvisory201101","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.nessus.org/plugins/index.php?view=single\u0026id=53360","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/46670","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1923"},{"url":"https://github.com/advisories/GHSA-rwm6-hmj6-r6h5"}],"sources":{"cve":[{"id":"CVE-2011-1923","description":"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.","status":"published","published":"2012-06-20T17:00:00Z","modified":"2024-08-06T22:46:00.304Z","updated_at":"2026-11-02T14:35:38.711857Z"}],"euvd":[{"id":"EUVD-2011-1921","description":"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.","status":"published","published":"2012-06-20T17:00:00Z","modified":"2024-08-06T22:46:00Z","updated_at":"2026-11-03T01:55:54.666744Z"}],"ghsa":[{"id":"GHSA-rwm6-hmj6-r6h5","title":"The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not...","description":"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.","status":"published","published":"2022-05-17T04:59:50Z","modified":"2023-01-28T05:02:56Z","updated_at":"2026-11-02T14:43:52.645209Z"}],"nvd":[{"id":"CVE-2011-1923","description":"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.","status":"published","published":"2012-06-20T17:55:01.433Z","modified":"2026-06-16T23:30:22.387Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-310"],"updated_at":"2026-11-02T14:02:12.272092Z"}]}}