2.1

CVE-2015-2157: debian debian_linux

Modified
AliasesMGASA-2015-0098UBUNTU-CVE-2015-2157DEBIAN-CVE-2015-2157
Published 27-03-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-2157 is a low (CVSS 2.1) vulnerability in debian debian_linux. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 48% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
0.58%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2024:10374-1

Timeline

  1. 27-03-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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 metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.58% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian2 products
  • putty< 0.63-10 | < 0.60+2010-02-20-1+squeeze3 | < 0.62-9+deb7u2
  • debian_linuxEOL7.0
Mageia2 products
  • filezilla< 3.10.2-1.mga4
  • putty< 0.64-1.mga4
Fedoraproject1 product
Opensuse1 product
Putty1 product
  • putty0.51 | 0.52 | 0.53b | 0.54 | 0.55 | 0.56 | 0.57 | 0.58 | 0.59 | 0.60 | 0.61 | 0.62 | 0.63
Simon_tatham1 product
Ubuntu1 product
  • putty< 0.63-4ubuntu0.1

7 vendors · 9 products

References

17 links
Show all 17 references