Putty
Vendor:
First CVE: Aug 19, 2013 · Active for 12 years
7
Total CVEs
More Total CVEs than 85% of tracked products
2.3
Avg CVEs / Year
Higher CVE frequency than 76% of tracked products
5.2
Avg CVSS
Higher Avg CVSS than 11% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Putty over time
Volume of CVEsAvg CVSS Base Score
First CVE
Aug 19, 2013
12 years ago
Most Recent CVE
Apr 7, 2016
3,764 days ago
CVE Severity & Scoring
Putty7 CVEs
29%
57%
14%
All CVEs353,173 CVEs
45%
40%
11%
LowMediumCritical
Attack Vector
Local0 (0.0%)
Network1 (14.3%)
Unknown6 (85.7%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low1 (14.3%)
High0 (0.0%)
Unknown6 (85.7%)
User Interaction
None1 (14.3%)
Unknown6 (85.7%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None1 (14.3%)
Unknown6 (85.7%)
Top CVEs
Signals from CVEs in this product scope (7 CVEs).
7 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2016-2563CRITICAL Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory cor | Apr 7, 2016 | 9.8 | 62 | NO | YES |
CVE-2013-4852MEDIUM Integer overflow in PuTTY 0.62 and earlier, WinSCP before 5.1.6, and other products that use PuTTY allows remote SSH servers to cause a denial of service (crash) and possibly execu | Aug 19, 2013 | 6.8 | 19 | NO | NO |
CVE-2013-4206MEDIUM Heap-based buffer underflow in the modmul function in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) and possibly trigger memory corrup | Aug 19, 2013 | 6.8 | 18 | NO | NO |
CVE-2015-5309MEDIUM Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an EC | Dec 7, 2015 | 4.3 | 15 | NO | NO |
CVE-2013-4207MEDIUM Buffer overflow in sshbn.c in PuTTY before 0.63 allows remote SSH servers to cause a denial of service (crash) via an invalid DSA signature that is not properly handled during comp | Aug 19, 2013 | 4.3 | 14 | NO | NO |
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 sen | Mar 27, 2015 | 2.1 | 11 | NO | NO |
The rsa_verify function in PuTTY before 0.63 (1) does not clear sensitive process memory after use and (2) does not free certain structures containing sensitive process memory, whi | Aug 19, 2013 | 2.1 | 11 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (7 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
1 CVE
14.3% of CVEs· 87th percentile
Social Chatter
Signals from CVEs in this product scope (7 CVEs).
Media Mentions
Signals from CVEs in this product scope (7 CVEs).
Top CNAs Publishing CVEs For Putty
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 0.53 | 5 | 4.4 | 1.8% | 0 | 0 |