Back
CVE-2016-0702
The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly…
Medium5.1EPSS 1.9%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The MOD_EXP_CTIME_COPY_FROM_PREBUF function in crypto/bn/bn_exp.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g does not properly consider cache-bank access times during modular exponentiation, which makes it easier for local users to discover RSA keys by running a crafted application on the same Intel Sandy Bridge CPU core as a victim and leveraging cache-bank conflicts, aka a "CacheBleed" attack.
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 8 years later
· 8 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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.1 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% 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 5.1.
Weakness
Affected products
n/a
- affected n/a
References (44)
- FEDORA-2016-2802690366 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:1242 (opens in a new tab)vendor-advisoryx_transferred
- SUSE-SU-2016:1267 (opens in a new tab)vendor-advisoryx_transferred
- FEDORA-2016-e6807b3394 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:0638 (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 (opens in a new tab)x_transferred
- FreeBSD-SA-16:12 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_transferred
- openSUSE-SU-2016:1239 (opens in a new tab)vendor-advisoryx_transferred
- SUSE-SU-2016:0621 (opens in a new tab)vendor-advisoryx_transferred
- HPSBGN03563 (opens in a new tab)vendor-advisoryx_transferred
- USN-2914-1 (opens in a new tab)vendor-advisoryx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (opens in a new tab)x_transferred
- SUSE-SU-2016:1057 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:1566 (opens in a new tab)vendor-advisoryx_transferred
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40168 (opens in a new tab)x_transferred
- openSUSE-SU-2016:1241 (opens in a new tab)vendor-advisoryx_transferred
- http://openssl.org/news/secadv/20160301.txt (opens in a new tab)x_transferred
- SUSE-SU-2016:1360 (opens in a new tab)vendor-advisoryx_transferred
- 20160302 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: March 2016 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:0720 (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 (opens in a new tab)x_transferred
- SUSE-SU-2016:0624 (opens in a new tab)vendor-advisoryx_transferred
- DSA-3500 (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03741en_us (opens in a new tab)x_transferred
- SUSE-SU-2016:0631 (opens in a new tab)vendor-advisoryx_transferred
- https://www.openssl.org/news/secadv/20160301.txt (opens in a new tab)x_transferred
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html (opens in a new tab)x_transferred
- SUSE-SU-2016:0617 (opens in a new tab)vendor-advisoryx_transferred
- SUSE-SU-2016:1290 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:1273 (opens in a new tab)vendor-advisoryx_transferred
- RHSA-2016:2957 (opens in a new tab)vendor-advisoryx_transferred
- GLSA-201603-15 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:0628 (opens in a new tab)vendor-advisoryx_transferred
- 1035133 (opens in a new tab)vdb-entryx_transferred
- http://cachebleed.info (opens in a new tab)x_transferred
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=708dc2f1291e104fe4eef810bb8ffc1fae5b19c1 (opens in a new tab)x_transferred
- SUSE-SU-2016:0620 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:0637 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2016:0627 (opens in a new tab)vendor-advisoryx_transferred
- SUSE-SU-2016:0641 (opens in a new tab)vendor-advisoryx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05052990 (opens in a new tab)x_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2016-0702)Record last updated .