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CVE-2018-0737

Cache timing vulnerability in RSA Key Generation

Medium5.9EPSS 11.6%
Published
Updated
Reserved
Assigned by
openssl

Description

The OpenSSL RSA Key generation algorithm has been shown to be vulnerable to a cache timing side channel attack. An attacker with sufficient access to mount cache timing attacks during the RSA key generation process could recover the private key. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o).

Scores

CVSS scores of CVE-2018-0737, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified3.0Medium5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
11.6% · top 4.0% of all CVEs (3 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.

Weakness

Affected products

  • OpenSSL · OpenSSL

    • affected Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h)
    • affected Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2b-1.0.2o)

References (34)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .