CVE-2015-2141

CVE-2015-2141 is a medium-severity vulnerability in Cryptopp Crypto++ Library with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Description

The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.

Frequently asked questions

What is CVE-2015-2141?
The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.
How severe is CVE-2015-2141?
CVE-2015-2141 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-2141 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2141?
CVE-2015-2141 primarily affects Cryptopp Crypto++ Library. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2141?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2141 published?
CVE-2015-2141 was published on 2015-07-01 and last updated on 2026-06-17.

References

Affected products (3)

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