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Fencer Intel
high 7.5

CVE-2013-1397 json

Symfony Arbitrary PHP code Execution

published 12y ago modified 4mo ago also GHSA-7w53-hfpw-rg3g , EUVD-2022-3072

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

Symfony 2.0.x before 2.0.22, 2.1.x before 2.1.7, and 2.2.x remote attackers to execute arbitrary PHP code via a serialized PHP object to the (1) Yaml::parse or (2) Yaml\Parser::parse function, a different vulnerability than CVE-2013-1348.

Patch / fix

  • packagist symfony/symfony 2.0.22, 2.1.7, 2.2.0-BETA2
  • packagist symfony/yaml 2.0.22, 2.1.7, 2.2.0-BETA2

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Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected packages

ecosystem package affected fixed in
packagist symfony/symfony
>=2.2.0-BETA1, <2.2.0-BETA2
>=2.0.0, <2.0.22
>=2.1.0, <2.1.7
2.2.0-BETA2
2.0.22
2.1.7
packagist symfony/yaml
>=2.0.0, <2.0.22
>=2.1.0, <2.1.7
>=2.2.0-BETA1, <2.2.0-BETA2
2.0.22
2.1.7
2.2.0-BETA2

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.