CVE-2013-1621: polarssl Improper Input Validation
Vulnerability summary
CVE-2013-1621 is a medium (CVSS 4.3) Improper Input Validation vulnerability in polarssl. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.4% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 08-02-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Array index error in the SSL module in PolarSSL before 1.2.5 might allow remote attackers to cause a denial of service via vectors involving a crafted padding-length value during validation of CBC padding in a TLS session, a different vulnerability than CVE-2013-0169.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
2.07%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.07% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Polarssl1 product
- polarssl≤ 1.2.4 | 0.10.0 | 0.10.1 | 0.11.0 | 0.11.1 | 0.12.0 | 0.12.1 | 0.13.1 | 0.14.0 | 0.14.2 | 0.14.3 | 0.99:pre1 | 0.99:pre3 | 0.99:pre4 | 0.99:pre5 | 1.0.0 | 1.1.0 | 1.1.0:rc0 | 1.1.0:rc1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.2.0 | 1.2.1 | 1.2.2 | 1.2.3
Ubuntu1 product
- polarssl< 1.3.4-1
2 vendors · 2 products