4.3

CVE-2013-1621: polarssl Improper Input Validation

Modified
AliasesUBUNTU-CVE-2013-1621
Published 08-02-2013Last modified 06-08-2024

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.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.07%
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 2

Timeline

  1. 08-02-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last 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 version

EPSS 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

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: 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

References

6 links