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CVE-2012-0884

The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly…

Medium5.0EPSS 13.2%
Published
Updated
Reserved
Assigned by
redhat

Description

The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext attack.

Timeline

  1. ID reserved

    By redhat

  2. · 54 days later

    Published

  3. · 12 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2012-0884, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium5.0AV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS (exploitation in 30 days)
13.2% · top 3.6% of all CVEs (8 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

Affected products

  • n/a

    • affected n/a

References (23)

Sources

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

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Record last updated .