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TI-2020-15674 Aliases CVE-2020-25657GHSA-2j9v-8g47-mxh2

A flaw was found in all released versions of m2crypto, where they are vulnerable to…

Priority LOW 30CWE-385Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.

Why it matters now

EPSS 0.01763 78th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—m2cryptoAll released versions of m2crypto—No fix listedCNA
  • m2crypto Vendor— Affected All released versions of m2crypto Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:m2crypto_project:m2crypto:*:*:*:*:*:*:*:*all versionsVulnerableM2crypto Project
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
  • cpe:2.3:a:m2crypto_project:m2crypto:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·M2crypto Project
  • cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2021:1169 Released 2021-04-14 · Red Hat rating Moderate
    RHV Manager (ovirt-engine) 4.4.z [ovirt-4.4.5] security, bug fix, enhancement
    • RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4 ovirt-engine-4.4.5.9-0.1.el8ev, ovirt-engine-backend-4.4.5.9-0.1.el8ev, ovirt-engine-dbscripts-4.4.5.9-0.1.el8ev +18

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4Fixed RHSA-2021:1169
Not affected: 1 product
  • RHEL-8-RHEV-S-4.4 - Red Hat Virtualization Engine 4.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-25657
  2. 2026-10-03 Alias added: GHSA-2j9v-8g47-mxh2

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences