CVE-2021-29722 json
IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacke…
published 2021-08-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16196
- cvss
- 5.9
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 201095.
Patch / fix
- ibm.com/support/pages/node/6484681 advisory
- ibm.com/support/pages/node/6484685 advisory
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.9 | CVSS:3.0/AC:H/AV:N/UI:N/I:N/S:U/A:N/PR:N/C:H/RL:O/RC:C/E:U |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- IBM Sterling Secure Proxy
Classification
- Weakness
-
- CWE-327 Use of a Broken or Risky Cryptographic Algorithm
References
-
ibm.com
/support/pages/node/6484681
patch, vendor-advisory
-
ibm.com
/support/pages/node/6484685
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/201095
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-29722
- NVD CVE-2021-29722
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