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Including CVEs outside Waratek scope✕Vendor putty✕
Overview 7 matches · 0 in Waratek scope · 0 protected · 0 exploited · 0 CISA KEV · 0 public PoC · 0 EPSS ≥ 0.5
7matches 0in Waratek scope0.0% 0protected0.0% 0exploited0.0% 0CISA KEV0.0% 0public PoC0.0% 0EPSS ≥ 0.50.0%
Protected by Waratek 0 0.0% Rule in development 0 0.0% Mitigation candidate 0 0.0% No exploit published 0 0.0% Outside Waratek scope 0 0.0% Not applicable 7 100.0% Withdrawn CVE 0 0.0%
Critical 0 0.0% High 0 0.0% Medium 0 0.0% Low 7 100.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 0 0.0% partly blocked 0 0.0% not blocked 7 100.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 0 0.0% Working exploit published 0 0.0% Proof of concept only 1 14.3% Forecast only 0 0.0% No public exploit 6 85.7%
split by peak 3 / year
Not applicable: 7 Low: 7 not blocked: 7 No public exploit: 6Proof of concept only: 1
20071 Not applicable1 Low1 not blocked1 No public exploit1 20080 20090 20100 20110 20120 20132 Not applicable2 Low2 not blocked2 No public exploit2 20140 20151 Not applicable1 Low1 not blocked1 No public exploit1 20160 20170 20180 20190 20200 20210 20220 20230 20240 20250 20263 Not applicable3 Low3 not blocked3 Proof of concept only1 No public exploit2
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CVE Severity Published▾ Status Exploitation Description
CVE-2026-48852 Low 2026-05-25 Not applicable No public exploit PuTTY 0.71 before 0.84 has an assertion failure in ECDSA signature verification.
CVE-2026-48851 Low 2026-05-25 Not applicable No public exploit PuTTY 0.77 before 0.84 uses a copy of the PuTTY icon as a trust indication for TELNET data but the trust status is not cleared between proxy authentication and the main session.
CVE-2026-4115 Low 2026-03-22 Not applicable Proof of concept only A vulnerability was detected in PuTTY 0.83. Affected is the function eddsa_verify of the file crypto/ecc-ssh.c of the component Ed25519 Signature Handler. The manipulation results in improper verification of cryptographic signature. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is told to be difficult. The exploit is now public and may be used. The real existence of this vulnerability is still doubted at the moment. The patch is identified as af996b5ec27ab79bae3882071b9d6acf16044549. It is advisable to implement a patch to correct this issue. The vendor was contacted early, responded in a very professional manner and quickly released a patch for the affected product. However, at the moment there is no proof that this flaw might have any real-world impact.
CVE-2015-2157 Low 2015-03-27 Not applicable No public exploit 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.
CVE-2011-4607 Low 2013-08-23 Not applicable No public exploit PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.
CVE-2013-4208 Low 2013-08-19 Not applicable No public exploit 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, which might allow local users to discover private RSA and DSA keys.
CVE-2006-7162 Low 2007-03-07 Not applicable No public exploit PuTTY 0.59 and earlier uses weak file permissions for (1) ppk files containing private keys generated by puttygen and (2) session logs created by putty, which allows local users to gain sensitive information by reading these files.