CVE-2015-2157

lowpriority · track · 8EPSS 0.006 · 48 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.58% (48th) EPSS

CVSS 2.1 · low

Is it mine?

20 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.

cvss

Technical severity, 0–10. One row per scoring source.

2.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.02.1lowAV:L/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 2.9

v2.01.8lowAV:L/AC:L/Au:N/C:P/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimary

affected products (20)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
debian debian linux= 7.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
fedoraproject fedora= 20nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 22nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
opensuse opensuse= 13.1nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
opensuse opensuse= 13.2nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
putty putty= 0.51nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.52nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.53bnvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.54nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.55nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.56nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.57nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.58nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.59nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.60nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.61nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.62nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
putty putty= 0.63nvdUScpe:2.3:a:putty:putty:*:*:*:*:*:*:*:*
simon tatham putty= 0.53nvdUScpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2015-03-27modified 2026-06-17

related (19,430)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-20133US	high7.5OT critical	31.5% (98th)	KEV	2026-02-25
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due…
CVE-2026-20128US	—OT critical	7.32% (94th)	KEV	2026-02-25
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affect…
CVE-2026-20122US	medium5.4OT critical	25.8% (98th)	KEV	2026-02-25
A vulnerability in the API of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to overwrite arbitrary files on the local file system. To exploit this vul…
CVE-2025-68686US	—OT critical	29.5% (98th)	KEV	2026-02-10
An Exposure of Sensitive Information to an Unauthorized Actor vulnerability [CWE-200] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.1, FortiOS 7.4.0 through 7.4.6, FortiOS 7.…
CVE-2026-20805US	—OT critical	7.46% (94th)	KEV	2026-01-13
Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally.

+19425 more

references (30)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan