Search for vulnerabilities
Vulnerability details: VCID-9hja-pfy5-hfh6
Vulnerability ID VCID-9hja-pfy5-hfh6
Aliases CVE-2015-0837
Summary The mpi_powm function in Libgcrypt before 1.6.3 and GnuPG before 1.4.19 allows attackers to obtain sensitive information by leveraging timing differences when accessing a pre-computed table during modular exponentiation, related to a "Last-Level Cache Side-Channel Attack."
Status Published
Exploitability 0.5
Weighted Severity 5.3
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-203 Observable Discrepancy
System Score Found at
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2015-0837
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2015-0837
cvssv3.1 5.9 https://nvd.nist.gov/vuln/detail/CVE-2015-0837
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2015-0837.json
https://api.first.org/data/v1/epss?cve=CVE-2015-0837
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3591
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0837
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1606
https://ieeexplore.ieee.org/document/7163050
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
1198147 https://bugzilla.redhat.com/show_bug.cgi?id=1198147
cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnupg:gnupg:*:*:*:*:*:*:*:*
cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
CVE-2015-0837 https://nvd.nist.gov/vuln/detail/CVE-2015-0837
USN-2554-1 https://usn.ubuntu.com/2554-1/
USN-2555-1 https://usn.ubuntu.com/2555-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-0837
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2015-0837
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.66973
EPSS Score 0.00551
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:02.880756+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/2554-1/ 37.0.0